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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 30 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 210 |
| 14 | 0 |
| 15 | 210 |
| 16 | 0 |
| 17 | 0 |
| 18 | 910 |
| 19 | 0 |
| 20 | 0 |
| 21 | 0 |
| 22 | 5460 |
| 23 | 0 |
| 24 | 0 |
| 25 | 6006 |
| 26 | 0 |
| 27 | 10010 |
| 28 | 23820 |
| 29 | 0 |
| 30 | 8190 |
| 31 | 0 |
| 32 | 0 |
| 33 | 30450 |
| 34 | 0 |
| 35 | 0 |
| 36 | 0 |
| 37 | 123270 |
| 38 | 0 |
| 39 | 0 |
| 40 | 101010 |
| 41 | 0 |
| 42 | 132990 |
| 43 | 305760 |
| 44 | 0 |
| 45 | 102830 |
| 46 | 0 |
| 47 | 0 |
| 48 | 303030 |
| 49 | 0 |
| 50 | 0 |
| 51 | 0 |
| 52 | 974820 |
| 53 | 0 |
| 54 | 0 |
| 55 | 663390 |
| 56 | 0 |
| 57 | 827190 |
| 58 | 1861860 |
| 59 | 0 |
[1,0,0,0,0,0,0,30,0,0,0,0,0,210,0,210,0,0,910,0,0, 0,5460,0,0,6006,0,10010,23820,0,8190,0,0,30450,0, 0,0,123270,0,0,101010,0,132990,305760,0,102830,0, 0,303030,0,0,0,974820,0,0,663390,0,827190,1861860, 0] |