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| n | a(n) |
|---|---|
| 1 | 81 |
| 2 | 348 |
| 3 | 348 |
| 4 | 1510 |
| 5 | 2152 |
| 6 | 1510 |
| 7 | 6610 |
| 8 | 13496 |
| 9 | 13496 |
| 10 | 6610 |
| 11 | 28877 |
| 12 | 86010 |
| 13 | 122940 |
| 14 | 86010 |
| 15 | 28877 |
| 16 | 125428 |
| 17 | 542946 |
| 18 | 1145290 |
| 19 | 1145290 |
| 20 | 542946 |
| 21 | 125428 |
| 22 | 545952 |
| 23 | 3412698 |
| 24 | 10499035 |
| 25 | 15828110 |
| 26 | 10499035 |
| 27 | 3412698 |
| 28 | 545952 |
| 29 | 2381432 |
| 30 | 21521906 |
| 31 | 95855164 |
[81,348,348,1510,2152,1510,6610,13496,13496,6610, 28877,86010,122940,86010,28877,125428,542946, 1145290,1145290,542946,125428,545952,3412698, 10499035,15828110,10499035,3412698,545952,2381432, 21521906,95855164] |