The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 3 |
| 3 | 3 |
| 4 | 12 |
| 5 | 24 |
| 6 | 12 |
| 7 | 36 |
| 8 | 120 |
| 9 | 120 |
| 10 | 36 |
| 11 | 96 |
| 12 | 504 |
| 13 | 840 |
| 14 | 504 |
| 15 | 96 |
| 16 | 240 |
| 17 | 1944 |
| 18 | 5178 |
| 19 | 5178 |
| 20 | 1944 |
| 21 | 240 |
| 22 | 576 |
| 23 | 7128 |
| 24 | 29772 |
| 25 | 47640 |
| 26 | 29772 |
| 27 | 7128 |
| 28 | 576 |
| 29 | 1344 |
| 30 | 25272 |
| 31 | 163878 |
| 32 | 412740 |
| 33 | 412740 |
| 34 | 163878 |
| 35 | 25272 |
| 36 | 1344 |
| 37 | 3072 |
| 38 | 87480 |
| 39 | 875592 |
| 40 | 3440052 |
| 41 | 5419992 |
| 42 | 3440052 |
| 43 | 875592 |
[0,3,3,12,24,12,36,120,120,36,96,504,840,504,96, 240,1944,5178,5178,1944,240,576,7128,29772,47640, 29772,7128,576,1344,25272,163878,412740,412740, 163878,25272,1344,3072,87480,875592,3440052, 5419992,3440052,875592] |