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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 26884 |
| 3 | 542041975 |
| 4 | 10928650279834 |
| 5 | 220343446399977901 |
| 6 | 4442564555387704166896 |
| 7 | 89570986345383445012986019 |
| 8 | 1805930222253056462964119954950 |
| 9 | 36411165051495138060899141518722649 |
| 10 | 734121907962314751330792028336366100956 |
| 11 | 14801365871925024964836290814418671808758991 |
[1,26884,542041975,10928650279834, 220343446399977901,4442564555387704166896, 89570986345383445012986019, 1805930222253056462964119954950, 36411165051495138060899141518722649, 734121907962314751330792028336366100956, 14801365871925024964836290814418671808758991] |