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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 1243 |
| 3 | 236727 |
| 4 | 43361446 |
| 5 | 6170585599 |
| 6 | 815113744488 |
| 7 | 103803050876877 |
| 8 | 13009082234406309 |
| 9 | 1639685959850389986 |
| 10 | 207628870678244320910 |
[12,1243,236727,43361446,6170585599,815113744488, 103803050876877,13009082234406309, 1639685959850389986,207628870678244320910] |