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A083687 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 7 |
| 4 | 761 |
| 5 | 671 |
| 6 | 4572347 |
| 7 | 1171733 |
| 8 | 518413759 |
| 9 | 32956355893 |
| 10 | 1949885751497 |
| 11 | 21495895979 |
| 12 | 63715389517501781 |
| 13 | 22630025105469577 |
| 14 | 36899945775958445129 |
| 15 | 517210776697519633301437 |
| 16 | 4518133367201930332907311663 |
[1,5,7,761,671,4572347,1171733,518413759, 32956355893,1949885751497,21495895979, 63715389517501781,22630025105469577, 36899945775958445129,517210776697519633301437, 4518133367201930332907311663] |