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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 0 |
| 6 | 4 |
| 7 | 0 |
| 8 | 0 |
| 9 | 7 |
| 10 | 0 |
| 11 | 3 |
| 12 | 14 |
| 13 | 0 |
| 14 | 9 |
| 15 | 23 |
| 16 | 0 |
| 17 | 21 |
| 18 | 45 |
| 19 | 3 |
| 20 | 48 |
| 21 | 72 |
| 22 | 12 |
| 23 | 96 |
| 24 | 124 |
| 25 | 39 |
| 26 | 180 |
| 27 | 204 |
| 28 | 105 |
| 29 | 327 |
| 30 | 343 |
| 31 | 225 |
| 32 | 585 |
| 33 | 572 |
| 34 | 468 |
| 35 | 1011 |
| 36 | 976 |
| 37 | 903 |
| 38 | 1719 |
| 39 | 1662 |
| 40 | 1689 |
| 41 | 2895 |
| 42 | 2844 |
| 43 | 3018 |
| 44 | 4836 |
| 45 | 4791 |
| 46 | 5355 |
| 47 | 8013 |
| 48 | 8061 |
| 49 | 9234 |
| 50 | 13182 |
| 51 | 13429 |
| 52 | 15714 |
| 53 | 21573 |
| 54 | 22257 |
| 55 | 26346 |
[1,0,0,1,0,0,4,0,0,7,0,3,14,0,9,23,0,21,45,3,48, 72,12,96,124,39,180,204,105,327,343,225,585,572, 468,1011,976,903,1719,1662,1689,2895,2844,3018, 4836,4791,5355,8013,8061,9234,13182,13429,15714, 21573,22257,26346] |