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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 32 |
| 3 | 6 |
| 4 | 32 |
| 5 | 781 |
| 6 | 1354 |
| 7 | 2409 |
| 8 | 34250 |
| 9 | 109459 |
| 10 | 294045 |
| 11 | 2120905 |
| 12 | 9245389 |
| 13 | 30828598 |
| 14 | 168214873 |
| 15 | 796498729 |
| 16 | 3061252232 |
| 17 | 14764004332 |
| 18 | 70505421866 |
| 19 | 293384815488 |
| 20 | 1348082131155 |
| 21 | 6351782335450 |
| 22 | 27606509717199 |
| 23 | 124692900069265 |
[0,32,6,32,781,1354,2409,34250,109459,294045, 2120905,9245389,30828598,168214873,796498729, 3061252232,14764004332,70505421866,293384815488, 1348082131155,6351782335450,27606509717199, 124692900069265] |