The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 12 |
| 3 | 28 |
| 4 | 42 |
| 5 | 2 |
| 6 | 6 |
| 7 | 120 |
| 8 | 195 |
| 9 | 234 |
| 10 | 6 |
| 11 | 21 |
| 12 | 2 |
| 13 | 84 |
| 14 | 1 |
| 15 | 744 |
| 16 | 558 |
| 17 | 78 |
| 18 | 780 |
| 19 | 210 |
| 20 | 336 |
| 21 | 72 |
| 22 | 6 |
| 23 | 10 |
[3,12,28,42,2,6,120,195,234,6,21,2,84,1,744,558, 78,780,210,336,72,6,10] |