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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4 |
| 2 | 12 |
| 3 | 21 |
| 4 | 36 |
| 5 | 66 |
| 6 | 92 |
| 7 | 112 |
| 8 | 151 |
| 9 | 202 |
| 10 | 250 |
| 11 | 283 |
| 12 | 334 |
| 13 | 416 |
| 14 | 488 |
| 15 | 541 |
| 16 | 615 |
| 17 | 704 |
| 18 | 774 |
| 19 | 874 |
| 20 | 961 |
| 21 | 1063 |
| 22 | 1170 |
| 23 | 1266 |
| 24 | 1394 |
| 25 | 1507 |
| 26 | 1639 |
| 27 | 1755 |
| 28 | 1894 |
| 29 | 2026 |
| 30 | 2168 |
| 31 | 2318 |
| 32 | 2469 |
| 33 | 2623 |
| 34 | 2790 |
| 35 | 2969 |
| 36 | 3105 |
| 37 | 3305 |
| 38 | 3484 |
| 39 | 3677 |
| 40 | 3850 |
| 41 | 4035 |
| 42 | 4259 |
| 43 | 4457 |
| 44 | 4677 |
| 45 | 4872 |
| 46 | 5104 |
[1,4,12,21,36,66,92,112,151,202,250,283,334,416, 488,541,615,704,774,874,961,1063,1170,1266,1394, 1507,1639,1755,1894,2026,2168,2318,2469,2623,2790, 2969,3105,3305,3484,3677,3850,4035,4259,4457,4677, 4872,5104] |