The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 16 |
| 4 | 985 |
| 5 | 141696 |
| 6 | 36372976 |
| 7 | 14083834704 |
| 8 | 7372392431849 |
| 9 | 4848332563899256 |
| 10 | 3808369342900073856 |
| 11 | 3447336241467721584256 |
| 12 | 3503140094024746011745456 |
| 13 | 3918646197894288330216058576 |
| 14 | 4753102567048482059557067412816 |
| 15 | 6178133154985813161258658378449616 |
[1,1,16,985,141696,36372976,14083834704, 7372392431849,4848332563899256, 3808369342900073856,3447336241467721584256, 3503140094024746011745456, 3918646197894288330216058576, 4753102567048482059557067412816, 6178133154985813161258658378449616] |