The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 22 |
| 2 | 329 |
| 3 | 4226 |
| 4 | 50469 |
| 5 | 580422 |
| 6 | 6541681 |
| 7 | 72922570 |
| 8 | 808020125 |
| 9 | 8923802030 |
| 10 | 98376704361 |
| 11 | 1083438632562 |
| 12 | 11925616635349 |
| 13 | 131228622530326 |
| 14 | 1443796242996449 |
| 15 | 15883448475593882 |
| 16 | 174728077773953421 |
[1,22,329,4226,50469,580422,6541681,72922570, 808020125,8923802030,98376704361,1083438632562, 11925616635349,131228622530326,1443796242996449, 15883448475593882,174728077773953421] |