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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 5 |
| 3 | 31 |
| 4 | 283 |
| 5 | 743 |
| 6 | 1600069 |
| 7 | 60042893 |
| 8 | 7438489991 |
| 9 | 61215157711 |
| 10 | 34041259347101651 |
| 11 | 6564253087266573169 |
| 12 | 22022174223585405703 |
| 13 | 69454092876521107983605569601 |
| 14 | 2360926164108571968813424783598971267 |
| 15 | 462605180698333957063188362720170172617217 |
| 16 | 14645575916792712592989131451003587034531413111 |
| 17 | 214236369415820799335832514547376967536187180963 |
[2,5,31,283,743,1600069,60042893,7438489991, 61215157711,34041259347101651,6564253087266573169, 22022174223585405703, 69454092876521107983605569601, 2360926164108571968813424783598971267, 462605180698333957063188362720170172617217, 14645575916792712592989131451003587034531413111, 214236369415820799335832514547376967536187180963] |