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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 8 |
| 6 | 11 |
| 7 | 12 |
| 8 | 23 |
| 9 | 52 |
| 10 | 79 |
| 11 | 96 |
| 12 | 115 |
| 13 | 508 |
| 14 | 593 |
| 15 | 1264 |
| 16 | 2187 |
| 17 | 2264 |
| 18 | 3199 |
| 19 | 4234 |
| 20 | 4403 |
| 21 | 9668 |
| 22 | 9919 |
| 23 | 11190 |
| 24 | 19913 |
| 25 | 21676 |
| 26 | 23183 |
| 27 | 44470 |
| 28 | 86215 |
| 29 | 110474 |
| 30 | 132019 |
| 31 | 216060 |
| 32 | 756807 |
| 33 | 859400 |
| 34 | 1257753 |
| 35 | 1398234 |
| 36 | 2976185 |
| 37 | 3021340 |
| 38 | 6972555 |
| 39 | 13466878 |
[1,1,2,3,8,11,12,23,52,79,96,115,508,593,1264, 2187,2264,3199,4234,4403,9668,9919,11190,19913, 21676,23183,44470,86215,110474,132019,216060, 756807,859400,1257753,1398234,2976185,3021340, 6972555,13466878] |