>>49053561Assuming we aren't counting Odd Egg Pokemon, no.
1. Pichu
2. Pikachu (Only in Viridian Forst)
3. Raichu
4. Cleffa
5. Clefairy (Only in Mt. Moon)
6. Clefable
7. Diglett (Only in Diglett's Tunnel)
8. Dugtrio
9. Elekid
10. Electabuzz (only in Route 10)
11. Mr. Mime (Only on Route 21)
12. Cubone (Only in Rock Tunnel)
13. Marowak
14. Kangaskhan (Only in Rock Tunnel)
15. Murkrow (Only on Route 7/16)
16. Houndour (Only on Route 7)
17. Houndoom
18. Slugma (Only on/around Cycling Road)
19. Magcargo
20. Misdreavus (Mt. Silver)
21. Porygon (Celadon Game Corner Prize)
22. Porygon2
23. Chansey (Route 13-15)
24. Blissey
25. Omanyte (All the fossils are unobtainable)
26. Omastar
27. Kabuto
28. Kabutops
29. Aerodactyl
30. Snorlax (In Vermilion)
31. Bulbasaur (All Kanto starters are unobtainable)
32. Ivysaur
33. Venusaur
34. Charmander
35. Charmeleon
36. Charizard
37. Squirtle
38. Wartortle
39. Blastoise
40. Articuno (All Kanto Legends are unobtainable)
41. Zapdos
42. Moltres
43. Larvitar (Celedon Game Corner)
44. Pupitar
45. Tyranitar
46. Lugia (Lugia and Ho-Oh aren't obtainable in Crystal until after the E4)
47. Ho-Oh
48. Mewtwo
49. Mew (Unobtainable)
50. Celebi (Unobtainable)
51. Magby
52. Magmar, forgot they weren't in Burned Tower in CrystalEven removing the Odd Egg Pokemon (PIkachu, Electabuzz,
Magmar, and Clefairy lines) only brings it back up to 209, still less than Platinum.