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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 10 |
| 5 | 83 |
| 6 | 24527 |
| 7 | 568662303 |
| 8 | 597257071145398433 |
| 9 | 701406190820966232276524545293793251 |
| 10 | 983324663657314079928895427833949144985650475980190987462191430555529010 |
[1,2,4,10,83,24527,568662303,597257071145398433, 701406190820966232276524545293793251, 98332466365731407992889542783394914498565047598019\ 0987462191430555529010] |