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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 22 |
| 4 | 81015 |
| 5 | 78954264778 |
| 6 | 28097782272713021650 |
| 7 | 5303746708038163087962610366540 |
| 8 | 750301169575330570948709311656320180808090293 |
| 9 | 107340347538849305728376873042317973326061404804760169389400111 |
| 10 | 20170881768834535901905153264317820972982675109510814553304001503205327205300015737 |
[1,0,1,22,81015,78954264778,28097782272713021650, 5303746708038163087962610366540, 750301169575330570948709311656320180808090293, 10734034753884930572837687304231797332606140480476\ 0169389400111, 20170881768834535901905153264317820972982675109510\ 814553304001503205327205300015737] |