The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 14 |
| 3 | 192 |
| 4 | 3088 |
| 5 | 87924 |
| 6 | 5038428 |
| 7 | 512150588 |
| 8 | 96851464412 |
| 9 | 34421374000200 |
| 10 | 22305044857494304 |
| 11 | 26793208475912331160 |
| 12 | 59563800755983637416156 |
| 13 | 244126929061976907515769752 |
[1,14,192,3088,87924,5038428,512150588, 96851464412,34421374000200,22305044857494304, 26793208475912331160,59563800755983637416156, 244126929061976907515769752] |