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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 2 |
| 6 | 0 |
| 7 | 0 |
| 8 | 14 |
| 9 | 2 |
| 10 | 0 |
| 11 | 0 |
| 12 | 32 |
| 13 | 50 |
| 14 | 10 |
| 15 | 0 |
| 16 | 0 |
| 17 | 100 |
| 18 | 128 |
| 19 | 410 |
| 20 | 22 |
| 21 | 0 |
| 22 | 0 |
| 23 | 428 |
| 24 | 644 |
| 25 | 2080 |
| 26 | 2430 |
| 27 | 70 |
| 28 | 0 |
| 29 | 0 |
| 30 | 1616 |
| 31 | 5100 |
| 32 | 20050 |
| 33 | 18688 |
| 34 | 16198 |
| 35 | 186 |
| 36 | 0 |
| 37 | 0 |
| 38 | 5784 |
| 39 | 33696 |
| 40 | 310804 |
| 41 | 344136 |
| 42 | 209440 |
| 43 | 103042 |
| 44 | 538 |
| 45 | 0 |
| 46 | 0 |
| 47 | 21248 |
| 48 | 211032 |
| 49 | 4110640 |
| 50 | 10631552 |
| 51 | 7293728 |
[0,0,0,0,2,0,0,14,2,0,0,32,50,10,0,0,100,128,410, 22,0,0,428,644,2080,2430,70,0,0,1616,5100,20050, 18688,16198,186,0,0,5784,33696,310804,344136, 209440,103042,538,0,0,21248,211032,4110640, 10631552,7293728] |