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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 13 |
| 3 | 237 |
| 4 | 11590 |
| 5 | 1431913 |
| 6 | 424559959 |
| 7 | 292150780260 |
| 8 | 456213083587511 |
| 9 | 1589279411184268465 |
| 10 | 12188163803127032036308 |
| 11 | 203538148644721100472292979 |
| 12 | 7336995548182992341725851094195 |
| 13 | 566597426371900580541745092349604750 |
| 14 | 93154354372753215966288131247384428212545 |
| 15 | 32423220989898980232206367503220063835343283713 |
[1,2,13,237,11590,1431913,424559959,292150780260, 456213083587511,1589279411184268465, 12188163803127032036308, 203538148644721100472292979, 7336995548182992341725851094195, 566597426371900580541745092349604750, 93154354372753215966288131247384428212545, 32423220989898980232206367503220063835343283713] |