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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 2 |
| 3 | 2 |
| 4 | 6 |
| 5 | 8 |
| 6 | 48 |
| 7 | 196 |
| 8 | 210 |
| 9 | 58 |
| 10 | 5824 |
| 11 | 23280 |
| 12 | 27020 |
| 13 | 8610 |
| 14 | 802 |
| 15 | 2887680 |
| 16 | 11550848 |
| 17 | 13756560 |
| 18 | 4757260 |
| 19 | 581250 |
| 20 | 20834 |
| 21 | 5821595648 |
| 22 | 23286380544 |
| 23 | 28097284992 |
| 24 | 10075582800 |
| 25 | 1369706604 |
| 26 | 67874562 |
| 27 | 1051586 |
| 28 | 47317927329792 |
| 29 | 189271709384704 |
| 30 | 229853403924480 |
| 31 | 83865929653632 |
| 32 | 11957394226896 |
| 33 | 668707460652 |
| 34 | 14779207170 |
| 35 | 102233986 |
[1,0,2,2,6,8,48,196,210,58,5824,23280,27020,8610, 802,2887680,11550848,13756560,4757260,581250, 20834,5821595648,23286380544,28097284992, 10075582800,1369706604,67874562,1051586, 47317927329792,189271709384704,229853403924480, 83865929653632,11957394226896,668707460652, 14779207170,102233986] |