The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 4 | 2 |
| 5 | 6 |
| 6 | 6 |
| 7 | 14 |
| 8 | 44 |
| 9 | 14 |
| 10 | 30 |
| 11 | 210 |
| 12 | 210 |
| 13 | 30 |
| 14 | 62 |
| 15 | 832 |
| 16 | 1812 |
| 17 | 832 |
| 18 | 62 |
| 19 | 126 |
| 20 | 2982 |
| 21 | 12012 |
| 22 | 12012 |
| 23 | 2982 |
| 24 | 126 |
| 25 | 254 |
| 26 | 10068 |
| 27 | 68322 |
| 28 | 124952 |
| 29 | 68322 |
| 30 | 10068 |
| 31 | 254 |
| 32 | 510 |
| 33 | 32730 |
| 34 | 352350 |
| 35 | 1065930 |
| 36 | 1065930 |
| 37 | 352350 |
| 38 | 32730 |
| 39 | 510 |
| 40 | 1022 |
| 41 | 103784 |
| 42 | 1700456 |
| 43 | 7972568 |
| 44 | 13103540 |
| 45 | 7972568 |
| 46 | 1700456 |
| 47 | 103784 |
| 48 | 1022 |
[2,6,6,14,44,14,30,210,210,30,62,832,1812,832,62, 126,2982,12012,12012,2982,126,254,10068,68322, 124952,68322,10068,254,510,32730,352350,1065930, 1065930,352350,32730,510,1022,103784,1700456, 7972568,13103540,7972568,1700456,103784,1022] |