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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 19 |
| 3 | 1306 |
| 4 | 195709 |
| 5 | 50775091 |
| 6 | 20117051281 |
| 7 | 11260558754404 |
| 8 | 8445885515991841 |
| 9 | 8167981106765263789 |
| 10 | 9891092676022013399311 |
| 11 | 14655352586540027231760166 |
| 12 | 26075763312196388476329754309 |
| 13 | 54857291862194079908910267234631 |
| 14 | 134685123389924834385817028487259189 |
[1,1,19,1306,195709,50775091,20117051281, 11260558754404,8445885515991841, 8167981106765263789,9891092676022013399311, 14655352586540027231760166, 26075763312196388476329754309, 54857291862194079908910267234631, 134685123389924834385817028487259189] |