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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 169 |
| 3 | 19241 |
| 4 | 5216485 |
| 5 | 2769073949 |
| 6 | 2543467934449 |
| 7 | 3712914075133121 |
| 8 | 8094884285992309261 |
| 9 | 25137521105896509819605 |
| 10 | 107107542395866078895709049 |
| 11 | 607546536582495444795794603801 |
| 12 | 4474746926116218974619451907008885 |
| 13 | 41907652406924609850893820950967654989 |
[1,5,169,19241,5216485,2769073949,2543467934449, 3712914075133121,8094884285992309261, 25137521105896509819605, 107107542395866078895709049, 607546536582495444795794603801, 4474746926116218974619451907008885, 41907652406924609850893820950967654989] |