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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 18 |
| 3 | 35 |
| 4 | 72 |
| 5 | 100 |
| 6 | 176 |
| 7 | 221 |
| 8 | 333 |
| 9 | 413 |
| 10 | 566 |
| 11 | 707 |
| 12 | 895 |
| 13 | 1063 |
| 14 | 1340 |
| 15 | 1569 |
| 16 | 1917 |
| 17 | 2213 |
| 18 | 2622 |
| 19 | 3003 |
| 20 | 3503 |
| 21 | 3967 |
| 22 | 4536 |
| 23 | 5141 |
| 24 | 5773 |
| 25 | 6461 |
| 26 | 7226 |
| 27 | 8031 |
| 28 | 8919 |
| 29 | 9835 |
| 30 | 10812 |
| 31 | 11893 |
| 32 | 13009 |
| 33 | 14209 |
| 34 | 15410 |
| 35 | 16823 |
| 36 | 18163 |
| 37 | 19719 |
| 38 | 21152 |
| 39 | 22905 |
| 40 | 24537 |
| 41 | 26377 |
| 42 | 28214 |
| 43 | 30307 |
[1,6,18,35,72,100,176,221,333,413,566,707,895, 1063,1340,1569,1917,2213,2622,3003,3503,3967,4536, 5141,5773,6461,7226,8031,8919,9835,10812,11893, 13009,14209,15410,16823,18163,19719,21152,22905, 24537,26377,28214,30307] |