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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 4001 |
| 7 | 42876 |
| 8 | 347117 |
| 9 | 792865081 |
| 10 | 37062990505 |
| 11 | 1164982989754 |
| 12 | 2135094241854476 |
| 13 | 289654511654619255 |
| 14 | 24938050464296749001 |
| 15 | 41388115708273073076689 |
| 16 | 12793631315199589229518093 |
| 17 | 2452257460931091883072686073 |
| 18 | 3961922987460317585057396895353 |
[1,0,0,1,1,1,4001,42876,347117,792865081, 37062990505,1164982989754,2135094241854476, 289654511654619255,24938050464296749001, 41388115708273073076689, 12793631315199589229518093, 2452257460931091883072686073, 3961922987460317585057396895353] |