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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 3 |
| 2 | 6 |
| 3 | 66 |
| 4 | 190 |
| 5 | 45 |
| 6 | 105 |
| 7 | 0 |
| 8 | 2556 |
| 9 | 1035 |
| 10 | 5995 |
| 11 | 8646 |
| 12 | 1326 |
| 13 | 16471 |
| 14 | 210 |
| 15 | 28680 |
| 16 | 36856 |
| 17 | 46971 |
| 18 | 0 |
| 19 | 72010 |
| 20 | 630 |
| 21 | 3003 |
| 22 | 32131 |
| 23 | 16836 |
| 24 | 20100 |
| 25 | 52975 |
| 26 | 246051 |
| 27 | 17766 |
| 28 | 329266 |
| 29 | 42195 |
| 30 | 17205 |
| 31 | 491536 |
| 32 | 0 |
| 33 | 17391 |
| 34 | 0 |
| 35 | 49770 |
| 36 | 55278 |
| 37 | 0 |
| 38 | 30381 |
| 39 | 5460 |
| 40 | 0 |
| 41 | 164451 |
| 42 | 33411 |
| 43 | 0 |
| 44 | 4950 |
| 45 | 85905 |
| 46 | 584821 |
[0,3,6,66,190,45,105,0,2556,1035,5995,8646,1326, 16471,210,28680,36856,46971,0,72010,630,3003, 32131,16836,20100,52975,246051,17766,329266,42195, 17205,491536,0,17391,0,49770,55278,0,30381,5460,0, 164451,33411,0,4950,85905,584821] |