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| n | a(n) |
|---|---|
| 0 | 11 |
| 1 | 297 |
| 2 | 3718 |
| 3 | 31185 |
| 4 | 204226 |
| 5 | 1121505 |
| 6 | 5392783 |
| 7 | 23338469 |
| 8 | 92669720 |
| 9 | 342325709 |
| 10 | 1188908248 |
| 11 | 3913864295 |
| 12 | 12292341831 |
| 13 | 37027355200 |
| 14 | 107438159466 |
| 15 | 301384802048 |
| 16 | 819876908323 |
| 17 | 2168627105469 |
| 18 | 5590088317495 |
| 19 | 14070545699287 |
| 20 | 34643126322519 |
| 21 | 83561103925871 |
| 22 | 197726516681672 |
| 23 | 459545750448675 |
| 24 | 1050197489931117 |
[11,297,3718,31185,204226,1121505,5392783, 23338469,92669720,342325709,1188908248,3913864295, 12292341831,37027355200,107438159466,301384802048, 819876908323,2168627105469,5590088317495, 14070545699287,34643126322519,83561103925871, 197726516681672,459545750448675,1050197489931117] |