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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 5 |
| 4 | 7 |
| 5 | 19 |
| 6 | 26 |
| 7 | 45 |
| 8 | 2726 |
| 9 | 2771 |
| 10 | 5497 |
| 11 | 13765 |
| 12 | 19262 |
| 13 | 52289 |
| 14 | 71551 |
| 15 | 123840 |
| 16 | 7501951 |
| 17 | 7625791 |
| 18 | 15127742 |
| 19 | 37881275 |
| 20 | 53009017 |
| 21 | 143899309 |
| 22 | 196908326 |
| 23 | 340807635 |
| 24 | 20645366426 |
| 25 | 20986174061 |
| 26 | 41631540487 |
| 27 | 104249255035 |
| 28 | 145880795522 |
| 29 | 396010846079 |
[1,1,2,5,7,19,26,45,2726,2771,5497,13765,19262, 52289,71551,123840,7501951,7625791,15127742, 37881275,53009017,143899309,196908326,340807635, 20645366426,20986174061,41631540487,104249255035, 145880795522,396010846079] |