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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 3 |
| 3 | 5 |
| 4 | 78 |
| 5 | 4962 |
| 6 | 15925310 |
| 7 | 303532967750376 |
| 8 | 72884922416996896007616951849 |
| 9 | 3238110775186648021853203185875679911508503009261997468560 |
| 10 | 7716186732679740909751872277405382774000613384297298421745471878603639986756704754013029661605882827711280194233739 |
[2,3,5,78,4962,15925310,303532967750376, 72884922416996896007616951849, 32381107751866480218532031858756799115085030092619\ 97468560, 77161867326797409097518722774053827740006133842972\ 98421745471878603639986756704754013029661605882827\ 711280194233739] |