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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1584 |
| 3 | 220549 |
| 4 | 221983169 |
| 5 | 110036582827 |
| 6 | 67079817376928 |
| 7 | 38224184451654485 |
| 8 | 22257182633194608078 |
| 9 | 12869705874813306766481 |
| 10 | 7458446559929491293690613 |
| 11 | 4319259920844964071189461906 |
| 12 | 2501924582698962860252708115060 |
[0,1584,220549,221983169,110036582827, 67079817376928,38224184451654485, 22257182633194608078,12869705874813306766481, 7458446559929491293690613, 4319259920844964071189461906, 2501924582698962860252708115060] |