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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 6 |
| 4 | 11 |
| 5 | 17 |
| 6 | 62 |
| 7 | 637 |
| 8 | 699 |
| 9 | 11122 |
| 10 | 11821 |
| 11 | 129332 |
| 12 | 399817 |
| 13 | 529149 |
| 14 | 928966 |
| 15 | 1458115 |
| 16 | 6761426 |
| 17 | 8219541 |
| 18 | 269786738 |
| 19 | 278006279 |
| 20 | 1381811854 |
| 21 | 1659818133 |
| 22 | 3041629987 |
| 23 | 4701448120 |
| 24 | 17145974347 |
| 25 | 176161191590 |
| 26 | 193307165937 |
| 27 | 3075768680645 |
| 28 | 3269075846582 |
[1,1,5,6,11,17,62,637,699,11122,11821,129332, 399817,529149,928966,1458115,6761426,8219541, 269786738,278006279,1381811854,1659818133, 3041629987,4701448120,17145974347,176161191590, 193307165937,3075768680645,3269075846582] |