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| n | a(n) |
|---|---|
| 1 | 30 |
| 2 | 195 |
| 3 | 870 |
| 4 | 1326 |
| 5 | 9078 |
| 6 | 29406 |
| 7 | 37830 |
| 8 | 62211 |
| 9 | 188355 |
| 10 | 426390 |
| 11 | 998790 |
| 12 | 1756950 |
| 13 | 2922510 |
| 14 | 8430270 |
| 15 | 20031171 |
| 16 | 33929310 |
| 17 | 41996670 |
| 18 | 57206526 |
| 19 | 82401006 |
| 20 | 137295678 |
| 21 | 216148803 |
| 22 | 941038566 |
| 23 | 1152597606 |
| 24 | 1418915886 |
| 25 | 1879906755 |
| 26 | 2668548675 |
| 27 | 3870146310 |
| 28 | 6449974275 |
| 29 | 9365063430 |
| 30 | 18263765550 |
| 31 | 39154389150 |
| 32 | 44208781350 |
[30,195,870,1326,9078,29406,37830,62211,188355, 426390,998790,1756950,2922510,8430270,20031171, 33929310,41996670,57206526,82401006,137295678, 216148803,941038566,1152597606,1418915886, 1879906755,2668548675,3870146310,6449974275, 9365063430,18263765550,39154389150,44208781350] |