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| n | a(n) |
|---|---|
| 5 | 1 |
| 6 | 364 |
| 7 | 99463 |
| 8 | 25095280 |
| 9 | 6174066262 |
| 10 | 1506472167928 |
| 11 | 366573514642546 |
| 12 | 89117945389585840 |
| 13 | 21658948312410865183 |
| 14 | 5263390747480701708292 |
| 15 | 1279025522911365763892449 |
| 16 | 310804949350361548416923680 |
| 17 | 75525744222315755534269847164 |
[1,364,99463,25095280,6174066262,1506472167928, 366573514642546,89117945389585840, 21658948312410865183,5263390747480701708292, 1279025522911365763892449, 310804949350361548416923680, 75525744222315755534269847164] |