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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 | 1 |
| 5 | 12 |
| 6 | 70 |
| 7 | 280 |
| 8 | 885 |
| 9 | 2364 |
| 10 | 5586 |
| 11 | 12000 |
| 12 | 23870 |
| 13 | 44660 |
| 14 | 79272 |
| 15 | 134768 |
| 16 | 220565 |
| 17 | 349440 |
| 18 | 538270 |
| 19 | 807840 |
| 20 | 1187004 |
| 21 | 1706840 |
| 22 | 2415150 |
| 23 | 3354120 |
| 24 | 4601870 |
| 25 | 6209612 |
| 26 | 8303610 |
| 27 | 10935960 |
| 28 | 14309640 |
| 29 | 18460260 |
| 30 | 23708184 |
| 31 | 30044000 |
| 32 | 37967925 |
| 33 | 47368480 |
| 34 | 59022432 |
| 35 | 72633816 |
[0,0,0,1,12,70,280,885,2364,5586,12000,23870, 44660,79272,134768,220565,349440,538270,807840, 1187004,1706840,2415150,3354120,4601870,6209612, 8303610,10935960,14309640,18460260,23708184, 30044000,37967925,47368480,59022432,72633816] |