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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 8 |
| 5 | 15 |
| 6 | 32 |
| 7 | 64 |
| 8 | 130 |
| 9 | 300 |
| 10 | 683 |
| 11 | 1416 |
| 12 | 2797 |
| 13 | 5449 |
| 14 | 10468 |
| 15 | 20827 |
| 16 | 48713 |
| 17 | 140665 |
| 18 | 440145 |
| 19 | 1295627 |
| 20 | 3366191 |
| 21 | 7604954 |
| 22 | 15054413 |
| 23 | 26767480 |
| 24 | 45010160 |
| 25 | 78418102 |
| 26 | 156829013 |
| 27 | 367706520 |
| 28 | 935824230 |
| 29 | 2377653059 |
| 30 | 5771777943 |
| 31 | 13258948998 |
| 32 | 29398875613 |
| 33 | 66580469424 |
| 34 | 167964244061 |
[1,1,2,4,8,15,32,64,130,300,683,1416,2797,5449, 10468,20827,48713,140665,440145,1295627,3366191, 7604954,15054413,26767480,45010160,78418102, 156829013,367706520,935824230,2377653059, 5771777943,13258948998,29398875613,66580469424, 167964244061] |