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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 321 |
| 3 | 1462563 |
| 4 | 252055236609 |
| 5 | 1569245074591690083 |
| 6 | 345299757825442889707393857 |
| 7 | 2653337188651000290233505189314055363 |
| 8 | 706829476163540077094231781323762631545566527489 |
| 9 | 6496844758902641761809431955916116052361210081093847336070467 |
[1,3,321,1462563,252055236609,1569245074591690083, 345299757825442889707393857, 2653337188651000290233505189314055363, 706829476163540077094231781323762631545566527489, 64968447589026417618094319559161160523612100810938\ 47336070467] |