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A276256 as a simple table
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 9 |
| 5 | 121 |
| 6 | 17161 |
| 7 | 33189121 |
| 8 | 9112869675009 |
| 9 | 4839170130591864288001 |
| 10 | 705579627764469400107962287271157001 |
| 11 | 54630717750911142085059359537536676834981970103054482555001 |
[1,1,1,9,121,17161,33189121,9112869675009, 4839170130591864288001, 705579627764469400107962287271157001, 54630717750911142085059359537536676834981970103054\ 482555001] |