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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 2 |
| 3 | 12 |
| 4 | 5 |
| 5 | 56 |
| 6 | 11 |
| 7 | 242 |
| 8 | 16 |
| 9 | 999 |
| 10 | 36 |
| 11 | 4035 |
| 12 | 90 |
| 13 | 16280 |
| 14 | 155 |
| 15 | 65306 |
| 16 | 344 |
| 17 | 261723 |
| 18 | 606 |
| 19 | 1047574 |
| 20 | 1510 |
| 21 | 4192566 |
| 22 | 2422 |
| 23 | 16773206 |
| 24 | 6030 |
| 25 | 67101866 |
| 26 | 9476 |
| 27 | 268419573 |
| 28 | 23824 |
| 29 | 1073714391 |
| 30 | 37588 |
| 31 | 4294902483 |
| 32 | 96466 |
| 33 | 17179761616 |
| 34 | 154327 |
| 35 | 68719220948 |
| 36 | 392151 |
[1,2,2,12,5,56,11,242,16,999,36,4035,90,16280,155, 65306,344,261723,606,1047574,1510,4192566,2422, 16773206,6030,67101866,9476,268419573,23824, 1073714391,37588,4294902483,96466,17179761616, 154327,68719220948,392151] |