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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) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 2 |
| 6 | 8 |
| 7 | 12 |
| 8 | 30 |
| 9 | 63 |
| 10 | 86 |
| 11 | 182 |
| 12 | 392 |
| 13 | 560 |
| 14 | 1270 |
| 15 | 2800 |
| 16 | 4070 |
| 17 | 9020 |
| 18 | 19595 |
| 19 | 28679 |
| 20 | 63518 |
| 21 | 138866 |
| 22 | 205478 |
| 23 | 455966 |
| 24 | 997640 |
| 25 | 1485624 |
| 26 | 3290520 |
| 27 | 7201692 |
| 28 | 10782222 |
| 29 | 23878212 |
| 30 | 52311408 |
| 31 | 78678468 |
| 32 | 174179258 |
| 33 | 381766253 |
| 34 | 576312440 |
[0,0,0,0,2,8,12,30,63,86,182,392,560,1270,2800, 4070,9020,19595,28679,63518,138866,205478,455966, 997640,1485624,3290520,7201692,10782222,23878212, 52311408,78678468,174179258,381766253,576312440] |