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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 31 |
| 3 | 12307 |
| 4 | 1180906852403 |
| 5 | 4726403852635437852230311 |
| 6 | 26387151472737581442533784610190235872453672267436617 |
| 7 | 16379090991119093215568426722482532968867795792384100101494022155108529793899838205018451949281878220687877 |
[1,31,12307,1180906852403, 4726403852635437852230311, 26387151472737581442533784610190235872453672267436\ 617, 16379090991119093215568426722482532968867795792384\ 10010149402215510852979389983820501845194928187822\ 0687877] |