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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 | 0 |
| 3 | 1 |
| 4 | 4 |
| 5 | 14 |
| 6 | 42 |
| 7 | 114 |
| 8 | 304 |
| 9 | 748 |
| 10 | 1870 |
| 11 | 4370 |
| 12 | 10488 |
| 13 | 23748 |
| 14 | 55412 |
| 15 | 122836 |
| 16 | 280768 |
| 17 | 613016 |
| 18 | 1379286 |
| 19 | 2977362 |
| 20 | 6616360 |
| 21 | 14156500 |
| 22 | 31144300 |
| 23 | 66168476 |
| 24 | 144367584 |
| 25 | 304960104 |
| 26 | 660746892 |
| 27 | 1389097684 |
| 28 | 2991902704 |
| 29 | 6264621608 |
| 30 | 13424189160 |
| 31 | 28011759720 |
| 32 | 59758420736 |
| 33 | 124325484592 |
| 34 | 264191654758 |
| 35 | 548218962386 |
[0,0,0,1,4,14,42,114,304,748,1870,4370,10488, 23748,55412,122836,280768,613016,1379286,2977362, 6616360,14156500,31144300,66168476,144367584, 304960104,660746892,1389097684,2991902704, 6264621608,13424189160,28011759720,59758420736, 124325484592,264191654758,548218962386] |