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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 0 |
| 4 | 4 |
| 5 | 0 |
| 6 | 0 |
| 7 | 11 |
| 8 | 4 |
| 9 | 0 |
| 10 | 0 |
| 11 | 36 |
| 12 | 40 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 117 |
| 17 | 290 |
| 18 | 48 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 393 |
| 23 | 1785 |
| 24 | 1008 |
| 25 | 0 |
| 26 | 0 |
| 27 | 0 |
| 28 | 0 |
| 29 | 1339 |
| 30 | 9996 |
| 31 | 12712 |
| 32 | 1440 |
| 33 | 0 |
| 34 | 0 |
| 35 | 0 |
| 36 | 0 |
| 37 | 4630 |
| 38 | 52584 |
| 39 | 123858 |
| 40 | 48312 |
| 41 | 0 |
| 42 | 0 |
| 43 | 0 |
| 44 | 0 |
| 45 | 0 |
| 46 | 16193 |
| 47 | 264720 |
| 48 | 1027446 |
| 49 | 904840 |
| 50 | 80640 |
| 51 | 0 |
| 52 | 0 |
| 53 | 0 |
| 54 | 0 |
| 55 | 0 |
| 56 | 57201 |
| 57 | 1290135 |
| 58 | 7627158 |
| 59 | 12449800 |
| 60 | 3807936 |
| 61 | 0 |
[1,1,0,4,0,0,11,4,0,0,36,40,0,0,0,117,290,48,0,0, 0,393,1785,1008,0,0,0,0,1339,9996,12712,1440,0,0, 0,0,4630,52584,123858,48312,0,0,0,0,0,16193, 264720,1027446,904840,80640,0,0,0,0,0,57201, 1290135,7627158,12449800,3807936,0] |