| n | a(n) |
|---|---|
| 0 | 2 |
| 1 | 3 |
| 2 | 2 |
| 3 | 61 |
| 4 | 2 |
| 5 | 7321 |
| 6 | 2 |
| 7 | 17 |
| 8 | 6304673 |
| 9 | 2 |
| 10 | 51329 |
| 11 | 447600088289 |
| 12 | 2 |
| 13 | 193 |
| 14 | 257 |
| 15 | 21283620033217629539178799361 |
| 16 | 2 |
| 17 | 316955440822738177 |
| 18 | 7032401262704707649518767703756385761576062060673 |
| 19 | 2 |
| 20 | 15361 |
| 21 | 111489577217 |
| 22 | 574341646346402207998363393 |
| 23 | 4018529583345312964042058778793458689 |
| 24 | 2513867991837362316715332574077411130744618580176804609 |
[2,3,2,61,2,7321,2,17,6304673,2,51329, 447600088289,2,193,257, 21283620033217629539178799361,2, 316955440822738177, 7032401262704707649518767703756385761576062060673, 2,15361,111489577217,574341646346402207998363393, 4018529583345312964042058778793458689, 25138679918373623167153325740774111307446185801768\ 04609] |