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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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 62 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 1860 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 35960 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 503502 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 5440872 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 47229864 |
| 25 | 0 |
| 26 | 0 |
| 27 | 0 |
| 28 | 338599360 |
| 29 | 0 |
| 30 | 0 |
| 31 | 2147483648 |
| 32 | 2046701220 |
| 33 | 0 |
| 34 | 0 |
| 35 | 0 |
| 36 | 10604798246 |
| 37 | 0 |
| 38 | 0 |
| 39 | 66571993088 |
| 40 | 47775740520 |
| 41 | 0 |
| 42 | 0 |
| 43 | 0 |
| 44 | 189619489320 |
| 45 | 0 |
| 46 | 0 |
| 47 | 998579896320 |
[1,0,0,0,62,0,0,0,1860,0,0,0,35960,0,0,0,503502,0, 0,0,5440872,0,0,0,47229864,0,0,0,338599360,0,0, 2147483648,2046701220,0,0,0,10604798246,0,0, 66571993088,47775740520,0,0,0,189619489320,0,0, 998579896320] |