The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 16 |
| 2 | 256 |
| 3 | 2500 |
| 4 | 23716 |
| 5 | 244000 |
| 6 | 2515396 |
| 7 | 25632120 |
| 8 | 261145600 |
| 9 | 2666353032 |
| 10 | 27225000000 |
| 11 | 277880546592 |
| 12 | 2836273647376 |
| 13 | 28951429945824 |
| 14 | 295523742166416 |
| 15 | 3016539755776512 |
| 16 | 30791138713921600 |
| 17 | 314299439838498016 |
[16,256,2500,23716,244000,2515396,25632120, 261145600,2666353032,27225000000,277880546592, 2836273647376,28951429945824,295523742166416, 3016539755776512,30791138713921600, 314299439838498016] |