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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 0 |
| 4 | 765 |
| 5 | 41261 |
| 6 | 0 |
| 7 | 1175731456 |
| 8 | 804611664045 |
| 9 | 0 |
| 10 | 4133434158867578125 |
| 11 | 36792671310208420147421 |
| 12 | 0 |
| 13 | 33666995638445382179718361163901 |
| 14 | 3930778415673723952392425569428439040 |
| 15 | 0 |
| 16 | 637350736211692642266912139961455499346709367565 |
[1,5,0,765,41261,0,1175731456,804611664045,0, 4133434158867578125,36792671310208420147421,0, 33666995638445382179718361163901, 3930778415673723952392425569428439040,0, 637350736211692642266912139961455499346709367565] |