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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 7 |
| 11 | 8 |
| 12 | 9 |
| 13 | 36 |
| 14 | 40 |
| 15 | 44 |
| 16 | 110 |
| 17 | 120 |
| 18 | 130 |
| 19 | 338 |
| 20 | 371 |
| 21 | 405 |
| 22 | 1260 |
| 23 | 1400 |
| 24 | 1547 |
| 25 | 4760 |
| 26 | 5292 |
| 27 | 5852 |
| 28 | 16929 |
| 29 | 18780 |
| 30 | 20734 |
| 31 | 59920 |
| 32 | 66550 |
| 33 | 73600 |
| 34 | 218086 |
| 35 | 242792 |
| 36 | 269225 |
| 37 | 801350 |
| 38 | 892970 |
| 39 | 991314 |
| 40 | 2929563 |
| 41 | 3265171 |
| 42 | 3626363 |
[0,0,0,0,0,0,0,0,0,7,8,9,36,40,44,110,120,130,338, 371,405,1260,1400,1547,4760,5292,5852,16929,18780, 20734,59920,66550,73600,218086,242792,269225, 801350,892970,991314,2929563,3265171,3626363] |