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| n | a(n) |
|---|---|
| 5 | 1 |
| 6 | 10 |
| 7 | 167 |
| 8 | 2064 |
| 9 | 28143 |
| 10 | 374166 |
| 11 | 5227491 |
| 12 | 75105984 |
| 13 | 1127851278 |
| 14 | 17625022976 |
| 15 | 287569327286 |
| 16 | 4891520843344 |
| 17 | 86749331150517 |
| 18 | 1602239541108282 |
| 19 | 30795187124606301 |
| 20 | 615261376037422992 |
| 21 | 12764913390565572333 |
| 22 | 274721686459213597782 |
| 23 | 6126847681304067647287 |
[1,10,167,2064,28143,374166,5227491,75105984, 1127851278,17625022976,287569327286,4891520843344, 86749331150517,1602239541108282,30795187124606301, 615261376037422992,12764913390565572333, 274721686459213597782,6126847681304067647287] |