The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 115562653240321 |
| 7 | 92079975413927255041 |
| 8 | 55043567702937434517811201 |
| 9 | 30375957967569132050957664153601 |
| 10 | 16344540545803963971405840043681904641 |
| 11 | 8722002954856094967866703998081059674593281 |
| 12 | 1007937807674669630303410866111304336524953920798402867201 |
[1,1,1,1,1,115562653240321,92079975413927255041, 55043567702937434517811201, 30375957967569132050957664153601, 16344540545803963971405840043681904641, 8722002954856094967866703998081059674593281, 10079378076746696303034108661113043365249539207984\ 02867201] |