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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 15 |
| 4 | 77 |
| 5 | 92 |
| 6 | 169 |
| 7 | 261 |
| 8 | 691 |
| 9 | 952 |
| 10 | 1643 |
| 11 | 2595 |
| 12 | 14618 |
| 13 | 104921 |
| 14 | 119539 |
| 15 | 224460 |
| 16 | 5057659 |
| 17 | 5282119 |
| 18 | 10339778 |
| 19 | 77660565 |
| 20 | 398642603 |
| 21 | 476303168 |
| 22 | 874945771 |
| 23 | 1351248939 |
| 24 | 3577443649 |
| 25 | 4928692588 |
| 26 | 8506136237 |
| 27 | 13434828825 |
| 28 | 75680280362 |
| 29 | 543196791359 |
| 30 | 618877071721 |
[1,1,2,15,77,92,169,261,691,952,1643,2595,14618, 104921,119539,224460,5057659,5282119,10339778, 77660565,398642603,476303168,874945771,1351248939, 3577443649,4928692588,8506136237,13434828825, 75680280362,543196791359,618877071721] |