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| n | a(n) |
|---|---|
| 1 | 120 |
| 2 | 6322 |
| 3 | 207262 |
| 4 | 4907711 |
| 5 | 91075868 |
| 6 | 1393742886 |
| 7 | 18203084280 |
| 8 | 207961261268 |
| 9 | 2116883443548 |
| 10 | 19475385665260 |
| 11 | 163788555854232 |
| 12 | 1270883781907016 |
| 13 | 9168186853827174 |
| 14 | 61890082396969113 |
| 15 | 393107547309424404 |
[120,6322,207262,4907711,91075868,1393742886, 18203084280,207961261268,2116883443548, 19475385665260,163788555854232,1270883781907016, 9168186853827174,61890082396969113, 393107547309424404] |