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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 96 |
| 2 | 4560 |
| 3 | 142880 |
| 4 | 3321960 |
| 5 | 61124064 |
| 6 | 927048304 |
| 7 | 11919192480 |
| 8 | 132601016340 |
| 9 | 1296543270880 |
| 10 | 11279926456656 |
| 11 | 88188515933856 |
| 12 | 624668654531480 |
| 13 | 4036320536972640 |
| 14 | 23929614612052080 |
| 15 | 130815226545884704 |
| 16 | 662252084388541314 |
| 17 | 3116480397122547360 |
[1,96,4560,142880,3321960,61124064,927048304, 11919192480,132601016340,1296543270880, 11279926456656,88188515933856,624668654531480, 4036320536972640,23929614612052080, 130815226545884704,662252084388541314, 3116480397122547360] |