3, 4, 5 primitive
5, 12, 13 primitive
6, 8, 10
7, 24, 25 primitive
8, 15, 17 primitive
9, 12, 15
9, 40, 41 primitive
10, 24, 26
11, 60, 61 primitive
12, 16, 20
12, 35, 37 primitive
13, 84, 85 primitive
14, 48, 50
15, 20, 25
15, 36, 39
15, 112, 113 primitive
16, 30, 34
16, 63, 65 primitive
17, 144, 145 primitive
18, 24, 30
18, 80, 82
19, 180, 181 primitive
20, 21, 29 primitive
20, 48, 52
20, 99, 101 primitive
21, 28, 35
21, 72, 75
21, 220, 221 primitive
22, 120, 122
23, 264, 265 primitive
24, 32, 40
24, 45, 51
24, 70, 74
24, 143, 145 primitive
25, 60, 65
25, 312, 313 primitive
26, 168, 170
27, 36, 45
27, 120, 123
27, 364, 365 primitive
28, 45, 53 primitive
28, 96, 100
28, 195, 197 primitive
29, 420, 421 primitive
30, 40, 50
30, 72, 78
30, 224, 226
31, 480, 481 primitive
32, 60, 68
32, 126, 130
32, 255, 257 primitive
33, 44, 55
33, 56, 65 primitive
33, 180, 183
34, 288, 290
35, 84, 91
35, 120, 125
36, 48, 60
36, 77, 85 primitive
36, 105, 111
36, 160, 164
36, 323, 325 primitive
38, 360, 362
39, 52, 65
39, 80, 89 primitive
39, 252, 255
40, 42, 58
40, 75, 85
40, 96, 104
40, 198, 202
40, 399, 401 primitive
42, 56, 70
42, 144, 150
42, 440, 442
44, 117, 125 primitive
44, 240, 244
45, 60, 75
45, 108, 117
45, 200, 205
45, 336, 339
48, 55, 73 primitive
48, 64, 80
48, 90, 102
48, 140, 148
48, 189, 195
48, 286, 290
49, 168, 175
50, 120, 130
51, 68, 85
51, 140, 149 primitive
51, 432, 435
52, 165, 173 primitive
52, 336, 340
54, 72, 90
54, 240, 246
55, 132, 143
55, 300, 305
56, 90, 106
56, 105, 119
56, 192, 200
56, 390, 394
57, 76, 95
57, 176, 185 primitive
60, 63, 87
60, 80, 100
60, 91, 109 primitive
60, 144, 156
60, 175, 185
60, 221, 229 primitive
60, 297, 303
60, 448, 452
63, 84, 105
63, 216, 225
63, 280, 287
64, 120, 136
64, 252, 260
65, 72, 97 primitive
65, 156, 169
65, 420, 425
66, 88, 110
66, 112, 130
66, 360, 366
68, 285, 293 primitive
69, 92, 115
69, 260, 269 primitive
70, 168, 182
70, 240, 250
72, 96, 120
72, 135, 153
72, 154, 170
72, 210, 222
72, 320, 328
72, 429, 435
75, 100, 125
75, 180, 195
75, 308, 317 primitive
76, 357, 365 primitive
77, 264, 275
77, 420, 427
78, 104, 130
78, 160, 178
80, 84, 116
80, 150, 170
80, 192, 208
80, 315, 325
80, 396, 404
81, 108, 135
81, 360, 369
84, 112, 140
84, 135, 159
84, 187, 205 primitive
84, 245, 259
84, 288, 300
84, 437, 445 primitive
85, 132, 157 primitive
85, 204, 221
87, 116, 145
87, 416, 425 primitive
88, 105, 137 primitive
88, 165, 187
88, 234, 250
90, 120, 150
90, 216, 234
90, 400, 410
91, 312, 325
93, 124, 155
95, 168, 193 primitive
95, 228, 247
96, 110, 146
96, 128, 160
96, 180, 204
96, 247, 265 primitive
96, 280, 296
96, 378, 390
98, 336, 350
99, 132, 165
99, 168, 195
99, 440, 451
100, 105, 145
100, 240, 260
102, 136, 170
102, 280, 298
104, 153, 185 primitive
104, 195, 221
104, 330, 346
105, 140, 175
105, 208, 233 primitive
105, 252, 273
105, 360, 375
108, 144, 180
108, 231, 255
108, 315, 333
110, 264, 286
111, 148, 185
112, 180, 212
112, 210, 238
112, 384, 400
114, 152, 190
114, 352, 370
115, 252, 277 primitive
115, 276, 299
117, 156, 195
117, 240, 267
119, 120, 169 primitive
119, 408, 425
120, 126, 174
120, 160, 200
120, 182, 218
120, 209, 241 primitive
120, 225, 255
120, 288, 312
120, 350, 370
120, 391, 409 primitive
123, 164, 205
125, 300, 325
126, 168, 210
128, 240, 272
129, 172, 215
130, 144, 194
130, 312, 338
132, 176, 220
132, 224, 260
132, 351, 375
132, 385, 407
133, 156, 205 primitive
135, 180, 225
135, 324, 351
135, 352, 377 primitive
136, 255, 289
136, 273, 305 primitive
138, 184, 230
140, 147, 203
140, 171, 221 primitive
140, 225, 265
140, 336, 364
141, 188, 235
144, 165, 219
144, 192, 240
144, 270, 306
144, 308, 340
145, 348, 377
145, 408, 433 primitive
147, 196, 245
150, 200, 250
150, 360, 390
152, 285, 323
152, 345, 377 primitive
153, 204, 255
155, 372, 403
156, 208, 260
156, 320, 356
159, 212, 265
160, 168, 232
160, 231, 281 primitive
160, 300, 340
160, 384, 416
161, 240, 289 primitive
162, 216, 270
165, 220, 275
165, 280, 325
165, 396, 429
168, 224, 280
168, 270, 318
168, 315, 357
168, 374, 410
170, 264, 314
171, 228, 285
174, 232, 290
175, 288, 337 primitive
176, 210, 274
176, 330, 374
177, 236, 295
180, 189, 261
180, 240, 300
180, 273, 327
180, 299, 349 primitive
180, 385, 425
183, 244, 305
184, 345, 391
186, 248, 310
189, 252, 315
189, 340, 389 primitive
190, 336, 386
192, 220, 292
192, 256, 320
192, 360, 408
195, 216, 291
195, 260, 325
196, 315, 371
198, 264, 330
198, 336, 390
200, 210, 290
200, 375, 425
201, 268, 335
204, 253, 325 primitive
204, 272, 340
207, 224, 305 primitive
207, 276, 345
208, 306, 370
210, 280, 350
213, 284, 355
216, 288, 360
219, 292, 365
220, 231, 319
222, 296, 370
225, 272, 353 primitive
225, 300, 375
228, 304, 380
228, 325, 397 primitive
231, 308, 385
234, 312, 390
237, 316, 395
238, 240, 338
240, 252, 348
240, 275, 365
240, 320, 400
243, 324, 405
246, 328, 410
249, 332, 415
252, 275, 373 primitive
260, 273, 377
260, 288, 388
264, 315, 411
266, 312, 410
280, 294, 406
Up to a perimeter of 1000, there are 325 triples, of which 70 are primitive.