| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 3 |
| 3 | 8 |
| 4 | 15 |
| 5 | 27 |
| 6 | 42 |
| 7 | 63 |
| 8 | 90 |
| 9 | 124 |
| 10 | 165 |
| 11 | 215 |
| 12 | 273 |
| 13 | 342 |
| 14 | 420 |
| 15 | 510 |
| 16 | 612 |
| 17 | 727 |
| 18 | 855 |
| 19 | 998 |
| 20 | 1155 |
| 21 | 1329 |
| 22 | 1518 |
| 23 | 1725 |
| 24 | 1950 |
| 25 | 2194 |
| 26 | 2457 |
| 27 | 2741 |
| 28 | 3045 |
| 29 | 3372 |
| 30 | 3720 |
| 31 | 4092 |
| 32 | 4488 |
| 33 | 4909 |
| 34 | 5355 |
| 35 | 5828 |
| 36 | 6327 |
| 37 | 6855 |
| 38 | 7410 |
| 39 | 7995 |
| 40 | 8610 |
| 41 | 9256 |
| 42 | 9933 |
| 43 | 10643 |
| 44 | 11385 |
[0,1,3,8,15,27,42,63,90,124,165,215,273,342,420, 510,612,727,855,998,1155,1329,1518,1725,1950,2194, 2457,2741,3045,3372,3720,4092,4488,4909,5355,5828, 6327,6855,7410,7995,8610,9256,9933,10643,11385] |