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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 19 |
| 4 | 217 |
| 5 | 4076 |
| 6 | 164258 |
| 7 | 12285477 |
| 8 | 1834600977 |
| 9 | 527717587843 |
| 10 | 296979228487760 |
| 11 | 324881629286870822 |
| 12 | 692625866382651263578 |
| 13 | 2874716493700380888930840 |
| 14 | 23237986479606982160703729647 |
| 15 | 365788614113216462103977935612524 |
| 16 | 11213018647250714014261414954480048385 |
[1,5,19,217,4076,164258,12285477,1834600977, 527717587843,296979228487760,324881629286870822, 692625866382651263578,2874716493700380888930840, 23237986479606982160703729647, 365788614113216462103977935612524, 11213018647250714014261414954480048385] |