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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 7 |
| 5 | 14 |
| 6 | 15 |
| 7 | 21 |
| 8 | 38 |
| 9 | 91 |
| 10 | 132 |
| 11 | 182 |
| 12 | 203 |
| 13 | 210 |
| 14 | 273 |
| 15 | 392 |
| 16 | 420 |
| 17 | 546 |
| 18 | 637 |
| 19 | 924 |
| 20 | 1365 |
| 21 | 1526 |
| 22 | 1658 |
| 23 | 1911 |
| 24 | 1974 |
| 25 | 2730 |
| 26 | 3030 |
| 27 | 3367 |
| 28 | 4095 |
| 29 | 5733 |
| 30 | 6734 |
| 31 | 7035 |
| 32 | 10101 |
| 33 | 20202 |
| 34 | 21105 |
| 35 | 22748 |
| 36 | 30303 |
| 37 | 44702 |
| 38 | 49308 |
| 39 | 68432 |
| 40 | 107744 |
| 41 | 112854 |
| 42 | 129990 |
| 43 | 205296 |
[0,1,2,7,14,15,21,38,91,132,182,203,210,273,392, 420,546,637,924,1365,1526,1658,1911,1974,2730, 3030,3367,4095,5733,6734,7035,10101,20202,21105, 22748,30303,44702,49308,68432,107744,112854, 129990,205296] |