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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 5 |
| 3 | 41 |
| 4 | 2245 |
| 5 | 185921 |
| 6 | 106912793 |
| 7 | 90124167441 |
| 8 | 540061286536921 |
| 9 | 4652799879944138561 |
| 10 | 289415868852204573601981 |
| 11 | 25545661075321867247577262777 |
| 12 | 16457725663617130715785831809325501 |
| 13 | 14905470663149838513993965664256435411841 |
| 14 | 99323759360556656337166635121447749135517599089 |
[1,1,5,41,2245,185921,106912793,90124167441, 540061286536921,4652799879944138561, 289415868852204573601981, 25545661075321867247577262777, 16457725663617130715785831809325501, 14905470663149838513993965664256435411841, 99323759360556656337166635121447749135517599089] |