dpp dex

[074] - Geodude + Geodude-alola
[075] - Graveler + Gravely-alola
[076] - Golem + Golem-alola
[190] - Aipom
[193] - Yanma
[198] - Murkrow
[200] - Misdreavus
[201] - Unown
[203] - Girafarig
[207] - Gligar
[228] - Houndour
[229] - Houndoom
[265] - Wurmple
[266] - Silcoon
[267] - Beautifly
[268] - Cascoon
[269] - Dustox
[299] - Nosepass
[357] - Tropius
[387] - Turtwig
[388] - Grotle
[389] - Torterra
[390] - Chimchar
[391] - Monferno
[392] - Infernape
[393] - Piplup
[394] - Prinplup
[395] - Empoleon
[396] - Starly
[397] - Staravia
[398] - Staraptor
[399] - Bidoof
[400] - Bibarel
[401] - Kricketot
[402] - Kricketune
[408] - Cranidos
[409] - Rampardos
[410] - Shieldon
[411] - Bastiodon
[412] - Burmy
[413] - Wormadam (all forms)
[414] - Mothim
[417] - Pachirisu
[418] - Buizel
[419] - Floatzel
[424] - Ambipom
[429] - Mismagius
[430] - Honchkrow
[431] - Glameow
[432] - Purugly
[433] - Chingling
[358] - Chimecho
[307] - Meditite
[308] - Medicham
[441] - Chatot
[455] - Carnivine
[456] - Finneon
[457] - Lumineon
[469] - Yanmega
[472] - Gliscor
[476] - Probopass
[489] - Phione
[490] - Manaphy
[491] - Darkrai
[492] - Shaymin
[493] - Arceus				After this is a list of pokemon you find by swarms, which you can register for the National Dex explicitly;
[016] - Pidgey
[017] - Pidgeotto
[018] - Pidgeot
[084] - Doduo
[085] - Dodrio
[096] - Drowzee
[097] - Hypno
[100] - Voltorb
[101] - Electrode
[231] - Phanpy
[232] - Donphan
[209] - Snubbull
[210] - Granbull
[296] - Makuhita
[297] - Hariyama
[300] - Skitty
[301] - Delcatty
[325] - Spoink
[326] - Grumpig
[327] - Spinda
[287] - Slakoth
[288] - Vigoroth
[289] - Slaking				After this are pokemon you can find by normal means after obtaining the Dex;
[013] - Weedle
[014] - Kakuna
[015] - Beedrill
[019] - Rattata + Rattata-alola
[020] - Raticate + Raticate-alola
[021] - Spearow
[022] - Fearow
[023] - Ekans
[024] - Arbok
[056] - Mankey
[057] - Primeape
[048] - Venonat
[049] - Venomoth
[046] - Paras
[047] - Parasect
[069] - Bellsprout
[070] - Weepinbell
[071] - Victreebel
[086] - Seel		(Diamond only)
[087] - Dewgong		(Diamond only)
[088] - Grimer + Grimer-Alola
[089] - Muk + Muk-alola
[161] - Sentret
[162] - Furret
[165] - Ledyba
[166] - Ledian
[167] - Spinarak
[168] - Ariados
[179] - Mareep
[180] - Flaaffy
[181] - Ampharos
[187] - Hoppip
[188] - Skiploom
[189] - Jumpluff
[191] - Sunkern
[192] - Sunflora
[204] - Pineco
[205] - Forretress
[216] - Teddiursa
[217] - Ursaring
[218] - Slugma
[219] - Magcargo
[234] - Stantler
[235] - Smeargle
[261] - Poochyena
[262] - Mightyena
[276] - Taillow
[277] - Swellow
[283] - Surskit
[284] - Masquerain
[285] - Shroomish
[286] - Breloom
[311] - Plusle
[312] - Minun
[313] - Volbeat
[314] - Illumise
[316] - Gulpin
[317] - Swalot
[322] - Numel
[323] - Camerupt
[331] - Cacnea
[332] - Cacturne
[335] - Zangoose		Requires Ruby Insert
[336] - Seviper			Requires Sapphire insert
[351] - Castform
[352] - Kecleon
[353] - Shuppet
[354] - Banette
[357] - Tropius
[366] - Clamperl
[367] - Huntail
[368] - Gorebyss
[370] - Luvdisc						Last missing pokemon are the gen2 starters and Deoxys, for gen4. If you add all starters of gen5, 6 and 7 into this calc, there are only 36 other pokemon remaining for gen5, 6 and 7 combined, missing for National Dex gen8.