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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 4862 |
| 2 | 65132550 |
| 3 | 987291797996 |
| 4 | 15789207515217990 |
| 5 | 260227401685879140612 |
| 6 | 4372592850984736084611996 |
| 7 | 74468439316740019538310543000 |
| 8 | 1280895791499708481382281179968070 |
| 9 | 22200471460266930185258813786107130900 |
| 10 | 387105235604016899402464538876438270501300 |
[1,4862,65132550,987291797996,15789207515217990, 260227401685879140612,4372592850984736084611996, 74468439316740019538310543000, 1280895791499708481382281179968070, 22200471460266930185258813786107130900, 387105235604016899402464538876438270501300] |