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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 38 |
| 3 | 111 |
| 4 | 220 |
| 5 | 365 |
| 6 | 546 |
| 7 | 763 |
| 8 | 1016 |
| 9 | 1305 |
| 10 | 1630 |
| 11 | 1991 |
| 12 | 2388 |
| 13 | 2821 |
| 14 | 3290 |
| 15 | 3795 |
| 16 | 4336 |
| 17 | 4913 |
| 18 | 5526 |
| 19 | 6175 |
| 20 | 6860 |
| 21 | 7581 |
| 22 | 8338 |
| 23 | 9131 |
| 24 | 9960 |
| 25 | 10825 |
| 26 | 11726 |
| 27 | 12663 |
| 28 | 13636 |
| 29 | 14645 |
| 30 | 15690 |
| 31 | 16771 |
| 32 | 17888 |
| 33 | 19041 |
| 34 | 20230 |
| 35 | 21455 |
| 36 | 22716 |
| 37 | 24013 |
| 38 | 25346 |
| 39 | 26715 |
| 40 | 28120 |
| 41 | 29561 |
[0,1,38,111,220,365,546,763,1016,1305,1630,1991, 2388,2821,3290,3795,4336,4913,5526,6175,6860,7581, 8338,9131,9960,10825,11726,12663,13636,14645, 15690,16771,17888,19041,20230,21455,22716,24013, 25346,26715,28120,29561] |