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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 12 |
| 2 | 56 |
| 3 | 132 |
| 4 | 240 |
| 5 | 380 |
| 6 | 552 |
| 7 | 756 |
| 8 | 992 |
| 9 | 1260 |
| 10 | 1560 |
| 11 | 1892 |
| 12 | 2256 |
| 13 | 2652 |
| 14 | 3080 |
| 15 | 3540 |
| 16 | 4032 |
| 17 | 4556 |
| 18 | 5112 |
| 19 | 5700 |
| 20 | 6320 |
| 21 | 6972 |
| 22 | 7656 |
| 23 | 8372 |
| 24 | 9120 |
| 25 | 9900 |
| 26 | 10712 |
| 27 | 11556 |
| 28 | 12432 |
| 29 | 13340 |
| 30 | 14280 |
| 31 | 15252 |
| 32 | 16256 |
| 33 | 17292 |
| 34 | 18360 |
| 35 | 19460 |
| 36 | 20592 |
| 37 | 21756 |
| 38 | 22952 |
| 39 | 24180 |
[0,12,56,132,240,380,552,756,992,1260,1560,1892, 2256,2652,3080,3540,4032,4556,5112,5700,6320,6972, 7656,8372,9120,9900,10712,11556,12432,13340,14280, 15252,16256,17292,18360,19460,20592,21756,22952, 24180] |