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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 10 |
| 3 | 167 |
| 4 | 4030 |
| 5 | 130187 |
| 6 | 5362052 |
| 7 | 272062457 |
| 8 | 16573460092 |
| 9 | 1188168923929 |
| 10 | 98653699675128 |
| 11 | 9363400084014583 |
[1,1,10,167,4030,130187,5362052,272062457, 16573460092,1188168923929,98653699675128, 9363400084014583] |