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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 10 |
| 4 | 3 |
| 5 | 40 |
| 6 | 130 |
| 7 | 85 |
| 8 | 646 |
| 9 | 2194 |
| 10 | 355 |
| 11 | 7648 |
| 12 | 24010 |
| 13 | 15829 |
| 14 | 119518 |
| 15 | 406042 |
| 16 | 65695 |
| 17 | 1415212 |
| 18 | 4442722 |
| 19 | 2928967 |
| 20 | 22115068 |
| 21 | 75132106 |
| 22 | 48623587 |
| 23 | 371267080 |
| 24 | 1259672002 |
| 25 | 815469541 |
| 26 | 6225424630 |
| 27 | 21122682514 |
| 28 | 3418513393 |
| 29 | 73623587722 |
| 30 | 231126303346 |
| 31 | 76187472767 |
| 32 | 921941328340 |
[1,2,10,3,40,130,85,646,2194,355,7648,24010,15829, 119518,406042,65695,1415212,4442722,2928967, 22115068,75132106,48623587,371267080,1259672002, 815469541,6225424630,21122682514,3418513393, 73623587722,231126303346,76187472767,921941328340] |