The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 139 |
| 3 | 26137 |
| 4 | 708454417 |
| 5 | 509884217847907722 |
| 6 | 661689915927090387753183081584477809 |
| 7 | 501369980815683251103778351588596054452000831938103831816563985808814820 |
[10,139,26137,708454417,509884217847907722, 661689915927090387753183081584477809, 50136998081568325110377835158859605445200083193810\ 3831816563985808814820] |