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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 15 |
| 2 | 54 |
| 3 | 119 |
| 4 | 210 |
| 5 | 327 |
| 6 | 470 |
| 7 | 639 |
| 8 | 834 |
| 9 | 1055 |
| 10 | 1302 |
| 11 | 1575 |
| 12 | 1874 |
| 13 | 2199 |
| 14 | 2550 |
| 15 | 2927 |
| 16 | 3330 |
| 17 | 3759 |
| 18 | 4214 |
| 19 | 4695 |
| 20 | 5202 |
| 21 | 5735 |
| 22 | 6294 |
| 23 | 6879 |
| 24 | 7490 |
| 25 | 8127 |
| 26 | 8790 |
| 27 | 9479 |
| 28 | 10194 |
| 29 | 10935 |
| 30 | 11702 |
| 31 | 12495 |
| 32 | 13314 |
| 33 | 14159 |
| 34 | 15030 |
| 35 | 15927 |
| 36 | 16850 |
| 37 | 17799 |
| 38 | 18774 |
| 39 | 19775 |
| 40 | 20802 |
| 41 | 21855 |
| 42 | 22934 |
[1,15,54,119,210,327,470,639,834,1055,1302,1575, 1874,2199,2550,2927,3330,3759,4214,4695,5202,5735, 6294,6879,7490,8127,8790,9479,10194,10935,11702, 12495,13314,14159,15030,15927,16850,17799,18774, 19775,20802,21855,22934] |