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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 2 |
| 3 | 0 |
| 4 | 4 |
| 5 | 0 |
| 6 | 56 |
| 7 | 0 |
| 8 | 176 |
| 9 | 0 |
| 10 | 608 |
| 11 | 256 |
| 12 | 2496 |
| 13 | 0 |
| 14 | 9600 |
| 15 | 1024 |
| 16 | 5888 |
| 17 | 71680 |
| 18 | 1536 |
| 19 | 151552 |
| 20 | 23552 |
| 21 | 409600 |
| 22 | 145408 |
| 23 | 7995392 |
| 24 | 77824 |
| 25 | 28114944 |
| 26 | 122880 |
| 27 | 121110528 |
| 28 | 573440 |
| 29 | 349175808 |
| 30 | 374833152 |
| 31 | 1392508928 |
| 32 | 404946944 |
| 33 | 2358247424 |
| 34 | 10482483200 |
| 35 | 509607936 |
[1,2,2,0,4,0,56,0,176,0,608,256,2496,0,9600,1024, 5888,71680,1536,151552,23552,409600,145408, 7995392,77824,28114944,122880,121110528,573440, 349175808,374833152,1392508928,404946944, 2358247424,10482483200,509607936] |