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| n | a(n) |
|---|---|
| 1 | 5 |
| 2 | 136 |
| 3 | 2491 |
| 4 | 949777 |
| 5 | 332986830284 |
| 6 | 174484936587602528213815 |
| 7 | 9686362101664739483493157884604047506420620798 |
| 8 | 21271272530425663935339859744408962351743778413594636664603704355618276450643299860304541182 |
[5,136,2491,949777,332986830284, 174484936587602528213815, 9686362101664739483493157884604047506420620798, 21271272530425663935339859744408962351743778413594\ 636664603704355618276450643299860304541182] |