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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 2 |
| 5 | 13 |
| 6 | 95 |
| 7 | 826 |
| 8 | 11137 |
| 9 | 261899 |
| 10 | 11729360 |
| 11 | 1006989636 |
| 12 | 164072166301 |
| 13 | 50336940172142 |
| 14 | 29003653625802754 |
| 15 | 31397431814146891910 |
| 16 | 63969589218557753075156 |
| 17 | 245871863137828405124380563 |
| 18 | 1787331789281458167615190373076 |
| 19 | 24636021675399858912682459601585276 |
[0,0,0,0,2,13,95,826,11137,261899,11729360, 1006989636,164072166301,50336940172142, 29003653625802754,31397431814146891910, 63969589218557753075156, 245871863137828405124380563, 1787331789281458167615190373076, 24636021675399858912682459601585276] |