The OEIS is supported by the many generous donors to the OEIS Foundation.
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 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 0 |
| 5 | 1 |
| 6 | 6 |
| 7 | 6 |
| 8 | 0 |
| 9 | 1 |
| 10 | 36 |
| 11 | 24 |
| 12 | 12 |
| 13 | 0 |
| 14 | 1 |
| 15 | 240 |
| 16 | 180 |
| 17 | 60 |
| 18 | 20 |
| 19 | 0 |
| 20 | 1 |
| 21 | 1920 |
| 22 | 1440 |
| 23 | 540 |
| 24 | 120 |
| 25 | 30 |
| 26 | 0 |
| 27 | 1 |
| 28 | 17640 |
| 29 | 13440 |
| 30 | 5040 |
| 31 | 1260 |
| 32 | 210 |
| 33 | 42 |
| 34 | 0 |
| 35 | 1 |
| 36 | 183120 |
| 37 | 141120 |
| 38 | 53760 |
| 39 | 13440 |
| 40 | 2520 |
| 41 | 336 |
| 42 | 56 |
| 43 | 0 |
| 44 | 1 |
| 45 | 2116800 |
| 46 | 1648080 |
| 47 | 635040 |
| 48 | 161280 |
| 49 | 30240 |
| 50 | 4536 |
| 51 | 504 |
| 52 | 72 |
| 53 | 0 |
| 54 | 1 |
[1,0,1,2,0,1,6,6,0,1,36,24,12,0,1,240,180,60,20,0, 1,1920,1440,540,120,30,0,1,17640,13440,5040,1260, 210,42,0,1,183120,141120,53760,13440,2520,336,56, 0,1,2116800,1648080,635040,161280,30240,4536,504, 72,0,1] |