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| n | a(n) |
|---|---|
| 1 | 42 |
| 2 | 396 |
| 3 | 1656 |
| 4 | 4740 |
| 5 | 10890 |
| 6 | 21672 |
| 7 | 38976 |
| 8 | 65016 |
| 9 | 102330 |
| 10 | 153780 |
| 11 | 222552 |
| 12 | 312156 |
| 13 | 426426 |
| 14 | 569520 |
| 15 | 745920 |
| 16 | 960432 |
| 17 | 1218186 |
| 18 | 1524636 |
| 19 | 1885560 |
| 20 | 2307060 |
| 21 | 2795562 |
| 22 | 3357816 |
| 23 | 4000896 |
| 24 | 4732200 |
| 25 | 5559450 |
| 26 | 6490692 |
| 27 | 7534296 |
| 28 | 8698956 |
| 29 | 9993690 |
| 30 | 11427840 |
| 31 | 13011072 |
| 32 | 14753376 |
| 33 | 16665066 |
| 34 | 18756780 |
| 35 | 21039480 |
[42,396,1656,4740,10890,21672,38976,65016,102330, 153780,222552,312156,426426,569520,745920,960432, 1218186,1524636,1885560,2307060,2795562,3357816, 4000896,4732200,5559450,6490692,7534296,8698956, 9993690,11427840,13011072,14753376,16665066, 18756780,21039480] |