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| n | a(n) |
|---|---|
| 1 | 429 |
| 2 | 907 |
| 3 | 1989 |
| 4 | 4409 |
| 5 | 9771 |
| 6 | 21523 |
| 7 | 46941 |
| 8 | 103647 |
| 9 | 231359 |
| 10 | 519971 |
| 11 | 1173309 |
| 12 | 2653425 |
| 13 | 6007299 |
| 14 | 13619431 |
| 15 | 30926845 |
| 16 | 70334253 |
| 17 | 160147165 |
| 18 | 364949359 |
| 19 | 832160153 |
| 20 | 1898373297 |
| 21 | 4332302875 |
| 22 | 9889970325 |
| 23 | 22583477831 |
| 24 | 51580084263 |
| 25 | 117827533127 |
[429,907,1989,4409,9771,21523,46941,103647,231359, 519971,1173309,2653425,6007299,13619431,30926845, 70334253,160147165,364949359,832160153,1898373297, 4332302875,9889970325,22583477831,51580084263, 117827533127] |