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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 32 |
| 3 | 8160 |
| 4 | 2072640 |
| 5 | 526442432 |
| 6 | 133714305120 |
| 7 | 33962907058080 |
| 8 | 8626444678447232 |
| 9 | 2191082985418538880 |
| 10 | 556526451851630428320 |
| 11 | 141355527687328710254432 |
| 12 | 35903747506129640774197440 |
| 13 | 9119410511029241427935895360 |
| 14 | 2316294366053921193054943224032 |
[0,32,8160,2072640,526442432,133714305120, 33962907058080,8626444678447232, 2191082985418538880,556526451851630428320, 141355527687328710254432, 35903747506129640774197440, 9119410511029241427935895360, 2316294366053921193054943224032] |