The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 0 |
| 4 | 4 |
| 5 | 24 |
| 6 | 56 |
| 7 | 64 |
| 8 | 160 |
| 9 | 192 |
| 10 | 448 |
| 11 | 256 |
| 12 | 2816 |
| 13 | 1536 |
| 14 | 3584 |
| 15 | 18432 |
| 16 | 47104 |
| 17 | 77824 |
| 18 | 159744 |
| 19 | 385024 |
| 20 | 163840 |
| 21 | 360448 |
| 22 | 3932160 |
| 23 | 8126464 |
| 24 | 16515072 |
| 25 | 6029312 |
| 26 | 63963136 |
| 27 | 128974848 |
| 28 | 266338304 |
| 29 | 524288000 |
| 30 | 1069547520 |
| 31 | 2071986176 |
| 32 | 4211081216 |
| 33 | 8438939648 |
| 34 | 16240345088 |
| 35 | 32614907904 |
| 36 | 65364033536 |
[0,2,0,4,24,56,64,160,192,448,256,2816,1536,3584, 18432,47104,77824,159744,385024,163840,360448, 3932160,8126464,16515072,6029312,63963136, 128974848,266338304,524288000,1069547520, 2071986176,4211081216,8438939648,16240345088, 32614907904,65364033536] |