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| n | a(n) |
|---|---|
| 1 | 4032 |
| 2 | 28716 |
| 3 | 204618 |
| 4 | 1480140 |
| 5 | 11003508 |
| 6 | 81917442 |
| 7 | 610407090 |
| 8 | 4599763200 |
| 9 | 34670088612 |
| 10 | 260653727898 |
| 11 | 1973978274960 |
| 12 | 14942547090972 |
| 13 | 112726647158274 |
| 14 | 855431018398512 |
| 15 | 6486392278066446 |
| 16 | 49009155729672438 |
| 17 | 372210537737194542 |
[4032,28716,204618,1480140,11003508,81917442, 610407090,4599763200,34670088612,260653727898, 1973978274960,14942547090972,112726647158274, 855431018398512,6486392278066446, 49009155729672438,372210537737194542] |