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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 5969448576 |
| 8 | 536131100232 |
| 9 | 34063221209472 |
| 10 | 1354467881894400 |
| 11 | 38093648073586560 |
| 12 | 800563664837716416 |
| 13 | 13184951556190167936 |
| 14 | 176417266134784356864 |
| 15 | 1973577267362652876288 |
| 16 | 18891194135142746007864 |
[1,0,0,0,0,0,0,5969448576,536131100232, 34063221209472,1354467881894400,38093648073586560, 800563664837716416,13184951556190167936, 176417266134784356864,1973577267362652876288, 18891194135142746007864] |