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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 161 |
| 3 | 8749 |
| 4 | 665857 |
| 5 | 65160501 |
| 6 | 7793761249 |
| 7 | 1101696200669 |
| 8 | 179689877047297 |
| 9 | 33215554576822501 |
| 10 | 6862186181491284001 |
| 11 | 1566923219786361397005 |
| 12 | 391868347839681254572801 |
| 13 | 106523078497331434142611733 |
| 14 | 31273034455313887578671676257 |
[1,5,161,8749,665857,65160501,7793761249, 1101696200669,179689877047297,33215554576822501, 6862186181491284001,1566923219786361397005, 391868347839681254572801, 106523078497331434142611733, 31273034455313887578671676257] |