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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 429 |
| 2 | 4279 |
| 3 | 20071 |
| 4 | 65445 |
| 5 | 171481 |
| 6 | 387739 |
| 7 | 788019 |
| 8 | 1476841 |
| 9 | 2596645 |
| 10 | 4335711 |
| 11 | 6936799 |
| 12 | 10706509 |
| 13 | 16025361 |
| 14 | 23358595 |
| 15 | 33267691 |
| 16 | 46422609 |
| 17 | 63614749 |
| 18 | 85770631 |
| 19 | 113966295 |
| 20 | 149442421 |
| 21 | 193620169 |
| 22 | 248117739 |
| 23 | 314767651 |
[1,429,4279,20071,65445,171481,387739,788019, 1476841,2596645,4335711,6936799,10706509,16025361, 23358595,33267691,46422609,63614749,85770631, 113966295,149442421,193620169,248117739,314767651] |