The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 3 |
| 5 | 6 |
| 6 | 1 |
| 7 | 7 |
| 8 | 16 |
| 9 | 26 |
| 10 | 1 |
| 11 | 27 |
| 12 | 69 |
| 13 | 118 |
| 14 | 168 |
| 15 | 1 |
| 16 | 169 |
| 17 | 455 |
| 18 | 810 |
| 19 | 1192 |
| 20 | 1575 |
| 21 | 1 |
| 22 | 1576 |
| 23 | 4343 |
| 24 | 7920 |
| 25 | 11952 |
| 26 | 16153 |
| 27 | 20355 |
| 28 | 1 |
| 29 | 20356 |
| 30 | 56864 |
| 31 | 105324 |
| 32 | 161704 |
| 33 | 222427 |
| 34 | 284726 |
| 35 | 347026 |
| 36 | 1 |
| 37 | 347027 |
| 38 | 978779 |
| 39 | 1832958 |
| 40 | 2848841 |
| 41 | 3970048 |
| 42 | 5148119 |
| 43 | 6346546 |
| 44 | 7544974 |
[1,1,2,1,3,6,1,7,16,26,1,27,69,118,168,1,169,455, 810,1192,1575,1,1576,4343,7920,11952,16153,20355, 1,20356,56864,105324,161704,222427,284726,347026, 1,347027,978779,1832958,2848841,3970048,5148119, 6346546,7544974] |