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 | 0 |
| 3 | 0 |
| 4 | 22 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 220 |
| 9 | 0 |
| 10 | 0 |
| 11 | 2048 |
| 12 | 1320 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 5302 |
| 17 | 0 |
| 18 | 0 |
| 19 | 22528 |
| 20 | 15224 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | 33528 |
| 25 | 0 |
| 26 | 0 |
| 27 | 112640 |
| 28 | 63360 |
| 29 | 0 |
| 30 | 0 |
| 31 | 0 |
| 32 | 116380 |
| 33 | 0 |
| 34 | 0 |
| 35 | 360448 |
| 36 | 209550 |
| 37 | 0 |
| 38 | 0 |
| 39 | 0 |
| 40 | 339064 |
| 41 | 0 |
| 42 | 0 |
| 43 | 901120 |
| 44 | 491768 |
| 45 | 0 |
| 46 | 0 |
| 47 | 0 |
| 48 | 719400 |
| 49 | 0 |
| 50 | 0 |
| 51 | 1959936 |
| 52 | 1095160 |
| 53 | 0 |
| 54 | 0 |
| 55 | 0 |
| 56 | 1538416 |
| 57 | 0 |
[1,0,0,0,22,0,0,0,220,0,0,2048,1320,0,0,0,5302,0, 0,22528,15224,0,0,0,33528,0,0,112640,63360,0,0,0, 116380,0,0,360448,209550,0,0,0,339064,0,0,901120, 491768,0,0,0,719400,0,0,1959936,1095160,0,0,0, 1538416,0] |