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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 5 |
| 5 | 893 |
| 6 | 1039947 |
| 7 | 34351783511 |
| 8 | 72057317345649377 |
| 9 | 19342812465159881755696499 |
| 10 | 1329227995591486918148744122456237749 |
| 11 | 46768052394574271874021714673583968385714779097997 |
| 12 | 1684996666696914425950059618212919561731019777110516294609942096153 |
[1,0,0,0,5,893,1039947,34351783511, 72057317345649377,19342812465159881755696499, 1329227995591486918148744122456237749, 46768052394574271874021714673583968385714779097997\ , 16849966666969144259500596182129195617310197771105\ 16294609942096153] |