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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 19 |
| 3 | 40 |
| 4 | 77 |
| 5 | 118 |
| 6 | 203 |
| 7 | 296 |
| 8 | 421 |
| 9 | 538 |
| 10 | 747 |
| 11 | 956 |
| 12 | 1209 |
| 13 | 1418 |
| 14 | 1839 |
| 15 | 2268 |
| 16 | 2761 |
| 17 | 3214 |
| 18 | 3855 |
| 19 | 4464 |
| 20 | 5149 |
| 21 | 5698 |
| 22 | 6683 |
| 23 | 7652 |
| 24 | 8713 |
| 25 | 9654 |
| 26 | 10927 |
| 27 | 12088 |
| 28 | 13349 |
| 29 | 14278 |
| 30 | 16139 |
| 31 | 18008 |
| 32 | 20005 |
| 33 | 21898 |
| 34 | 24171 |
| 35 | 26348 |
| 36 | 28665 |
| 37 | 30654 |
| 38 | 33527 |
| 39 | 36320 |
| 40 | 39269 |
| 41 | 41906 |
| 42 | 45195 |
[1,6,19,40,77,118,203,296,421,538,747,956,1209, 1418,1839,2268,2761,3214,3855,4464,5149,5698,6683, 7652,8713,9654,10927,12088,13349,14278,16139, 18008,20005,21898,24171,26348,28665,30654,33527, 36320,39269,41906,45195] |