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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 596 |
| 3 | 175294 |
| 4 | 49483138 |
| 5 | 13916993782 |
| 6 | 3913787773536 |
| 7 | 1100831164969864 |
| 8 | 309656520296472068 |
| 9 | 87106950271042689032 |
| 10 | 24503579727182933530758 |
| 11 | 6892987382635818948665404 |
| 12 | 1939035566761570513740174424 |
[1,596,175294,49483138,13916993782,3913787773536, 1100831164969864,309656520296472068, 87106950271042689032,24503579727182933530758, 6892987382635818948665404, 1939035566761570513740174424] |