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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 5 |
| 3 | 31 |
| 4 | 607 |
| 5 | 628580612875886694881648328579603114508131388106874704297602636435532791990880832689119 |
| 6 | 7531436383873795315009506236096188648036856522778750817396763797198414070984881727501992372613765176393353441439 |
[2,5,31,607, 62858061287588669488164832857960311450813138810687\ 4704297602636435532791990880832689119, 75314363838737953150095062360961886480368565227787\ 50817396763797198414070984881727501992372613765176\ 393353441439] |