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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 3 |
| 4 | 16 |
| 5 | 66 |
| 6 | 300 |
| 7 | 1314 |
| 8 | 5884 |
| 9 | 26304 |
| 10 | 118633 |
| 11 | 537255 |
| 12 | 2447172 |
| 13 | 11197710 |
| 14 | 51473017 |
| 15 | 237569535 |
| 16 | 1100655430 |
| 17 | 5117008440 |
| 18 | 23865566651 |
| 19 | 111636805905 |
| 20 | 523632748312 |
| 21 | 2462303017950 |
| 22 | 11605730134178 |
| 23 | 54821137926588 |
| 24 | 259479816361256 |
| 25 | 1230496691745816 |
| 26 | 5845551200648015 |
[0,0,1,3,16,66,300,1314,5884,26304,118633,537255, 2447172,11197710,51473017,237569535,1100655430, 5117008440,23865566651,111636805905,523632748312, 2462303017950,11605730134178,54821137926588, 259479816361256,1230496691745816,5845551200648015] |