The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 5 |
| 5 | 6 |
| 6 | 2 |
| 7 | 15 |
| 8 | 31 |
| 9 | 23 |
| 10 | 6 |
| 11 | 52 |
| 12 | 160 |
| 13 | 195 |
| 14 | 110 |
| 15 | 24 |
| 16 | 203 |
| 17 | 856 |
| 18 | 1505 |
| 19 | 1365 |
| 20 | 634 |
| 21 | 120 |
| 22 | 877 |
| 23 | 4802 |
| 24 | 11312 |
| 25 | 14560 |
| 26 | 10738 |
| 27 | 4284 |
| 28 | 720 |
| 29 | 4140 |
| 30 | 28337 |
| 31 | 85225 |
| 32 | 145096 |
| 33 | 150325 |
| 34 | 94444 |
| 35 | 33228 |
| 36 | 5040 |
| 37 | 21147 |
| 38 | 175896 |
| 39 | 652703 |
| 40 | 1404186 |
| 41 | 1908249 |
| 42 | 1672524 |
| 43 | 921212 |
| 44 | 291024 |
[1,2,1,5,6,2,15,31,23,6,52,160,195,110,24,203,856, 1505,1365,634,120,877,4802,11312,14560,10738,4284, 720,4140,28337,85225,145096,150325,94444,33228, 5040,21147,175896,652703,1404186,1908249,1672524, 921212,291024] |