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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 6 |
| 3 | 1072 |
| 4 | 4638576 |
| 5 | 467260456608 |
| 6 | 1076226888605605706 |
| 7 | 56126499620491437281263608 |
| 8 | 65882516522625836326159786165530572 |
| 9 | 1733926377888966183927790794055670829347983946 |
| 10 | 1020460427390768793543026965678152831571073052662428097106 |
[1,6,1072,4638576,467260456608, 1076226888605605706,56126499620491437281263608, 65882516522625836326159786165530572, 1733926377888966183927790794055670829347983946, 10204604273907687935430269656781528315710730526624\ 28097106] |