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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | 2 |
| 6 | 6 |
| 7 | 10 |
| 8 | 22 |
| 9 | 101 |
| 10 | 66 |
| 11 | 504 |
| 12 | 2088 |
| 13 | 3572 |
| 14 | 14398 |
| 15 | 49984 |
| 16 | 108030 |
| 17 | 191228 |
| 18 | 1087758 |
| 19 | 5005440 |
| 20 | 14081453 |
| 21 | 97492234 |
| 22 | 160186634 |
| 23 | 939652634 |
| 24 | 3926077642 |
| 25 | 4273706733 |
| 26 | 41832174879 |
| 27 | 214185383046 |
| 28 | 494248121522 |
| 29 | 6153003414039 |
| 30 | 38125026176659 |
| 31 | 13635112709648 |
| 32 | 39350572537836 |
| 33 | 511502485322923 |
| 34 | 1069875349612147 |
| 35 | 5075263842958032 |
[1,0,0,0,1,2,6,10,22,101,66,504,2088,3572,14398, 49984,108030,191228,1087758,5005440,14081453, 97492234,160186634,939652634,3926077642, 4273706733,41832174879,214185383046,494248121522, 6153003414039,38125026176659,13635112709648, 39350572537836,511502485322923,1069875349612147, 5075263842958032] |