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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 45 |
| 3 | 1743 |
| 4 | 133305 |
| 5 | 17089083 |
| 6 | 3302755365 |
| 7 | 896199578823 |
| 8 | 324729845802225 |
| 9 | 151401766241310963 |
| 10 | 88276508686397289885 |
| 11 | 62925559543228826845503 |
| 12 | 53835082550295989275314345 |
| 13 | 54438337988081689498005862443 |
| 14 | 64228314189095958231926869651605 |
[1,3,45,1743,133305,17089083,3302755365, 896199578823,324729845802225,151401766241310963, 88276508686397289885,62925559543228826845503, 53835082550295989275314345, 54438337988081689498005862443, 64228314189095958231926869651605] |