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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 21 |
| 3 | 2862 |
| 4 | 5398083 |
| 5 | 105918450471 |
| 6 | 18761832172500795 |
| 7 | 29912416165371498901002 |
| 8 | 429210477536602279123636967061 |
| 9 | 55428311030379722725246681652572022523 |
| 10 | 64422190091501416379601522735200323789074174081 |
| 11 | 673878862467911703904942451533575765568815772023224550102 |
[1,3,21,2862,5398083,105918450471, 18761832172500795,29912416165371498901002, 429210477536602279123636967061, 55428311030379722725246681652572022523, 64422190091501416379601522735200323789074174081, 67387886246791170390494245153357576556881577202322\ 4550102] |