Yuzuriha's Exact EXP Chart
PM Serecola in the forums in case of corrections.
Most of these battles are only done once and not double-checked.

Wild Pokemon:
Two (2) - 23
Three (3) - 33
Four (4) - 44
Five (5) - 56
Six (6) - 67
Seven (7) - 78
Eight (8) - 88
Nine (9) - 100
Ten (10) - 111
Eleven (11) - 122
Twelve (12) - 133
Thirteen (13) - 144
Fourteen (14) - 155
Fifteen (15) - 166
Sixteen (16) - 177

Kanto Gyms:
Brock - 539
Misty - 808
Lt. Surge - 1,305
Erika - 1,699
Janine - 4,392
Sabrina - 3,232
Blaine - 3,542
Giovanni - 4,682

Johto Gyms:
Falkner - 331
Bugsy - 911
Whitney - 787
Morty - 1,864
Chuck - 1,181
Jasmine - 1,968
Pryce - 1,802
Clair - 3,128

Hoenn Gyms:
Roxanne - 808
Brawly - 1,056
Wattson - 1,781
Flannery - 2,030
Norman - 2,362
Winona - 3,169
Liza and Tate - 3,522
Juan - 4,433

Sinnoh Gyms:
Roark - 787
Gardenia - 1,284
Maylene - 1,844
Crasher Wake - 2,154
Fantina - 1,533
Byron - 2,403
Candice - 3,439
Volkner - 3,936

Unova Gyms:
Cilan/Chili/Cress - 539
Lenora - 787
Cheren - 497
Roxie - 704
Burgh - 1,409
Elesa - 1,781
Clay - 1,968
Skyla - 2,341
Brycen - 2,341
Drayden - 2,900
Marlon - 3,087

Kalos Gyms:
Viola - 456
Grant - 1,036
Korrina - 1,844
Ramos - 1,968
Clemont - 2,217
Valerie - 2,465
Olympia - 2,838
Wulfric - 3,522

Orange:
Cissy - 1,906
Danny - 5,634
Rudy - 3,459
Luana - 2,527
Drake - 12,491

Dojo:
Hitoshi/Mike - 1,926
Hideki - 1,326
Aaron - 746
Koichi - 1,533

Others:
Elite Four (Unova/Kalos) - 8,286
Elite Four (Kanto/Johto/Hoenn/Sinnoh) - 10,358
Champion (Any) - 18,644
Training Accounts (Any) - 8,286
Ultimate Trainers (Any) - 33,145