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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 12 |
| 3 | 56 |
| 4 | 120 |
| 5 | 992 |
| 6 | 252 |
| 7 | 16256 |
| 8 | 240 |
| 9 | 261632 |
| 10 | 132 |
| 11 | 4192256 |
| 12 | 32760 |
| 13 | 67100672 |
| 14 | 12 |
| 15 | 1073709056 |
| 16 | 8160 |
| 17 | 17179738112 |
| 18 | 14364 |
| 19 | 274877382656 |
| 20 | 6600 |
| 21 | 4398044413952 |
| 22 | 276 |
| 23 | 70368735789056 |
| 24 | 65520 |
| 25 | 1125899873288192 |
| 26 | 12 |
| 27 | 18014398375264256 |
| 28 | 3480 |
| 29 | 288230375614840832 |
[1,2,12,56,120,992,252,16256,240,261632,132, 4192256,32760,67100672,12,1073709056,8160, 17179738112,14364,274877382656,6600,4398044413952, 276,70368735789056,65520,1125899873288192,12, 18014398375264256,3480,288230375614840832] |