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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 5 |
| 4 | 34 |
| 5 | 269 |
| 6 | 2613 |
| 7 | 28893 |
| 8 | 359110 |
| 9 | 4934952 |
| 10 | 74342563 |
| 11 | 1217389949 |
| 12 | 21533211312 |
| 13 | 409230368646 |
| 14 | 8318041706593 |
[0,1,5,34,269,2613,28893,359110,4934952,74342563, 1217389949,21533211312,409230368646,8318041706593] |