The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 3 |
| 5 | 3 |
| 6 | 1 |
| 7 | 4 |
| 8 | 6 |
| 9 | 5 |
| 10 | 1 |
| 11 | 5 |
| 12 | 10 |
| 13 | 14 |
| 14 | 8 |
| 15 | 1 |
| 16 | 6 |
| 17 | 15 |
| 18 | 30 |
| 19 | 32 |
| 20 | 14 |
| 21 | 1 |
| 22 | 7 |
| 23 | 21 |
| 24 | 55 |
| 25 | 90 |
| 26 | 80 |
| 27 | 23 |
| 28 | 1 |
| 29 | 8 |
| 30 | 28 |
| 31 | 91 |
| 32 | 205 |
| 33 | 294 |
| 34 | 196 |
| 35 | 41 |
| 36 | 1 |
| 37 | 9 |
| 38 | 36 |
| 39 | 140 |
| 40 | 406 |
| 41 | 829 |
| 42 | 964 |
| 43 | 508 |
| 44 | 71 |
| 45 | 1 |
| 46 | 10 |
| 47 | 45 |
| 48 | 204 |
| 49 | 728 |
| 50 | 1960 |
| 51 | 3409 |
| 52 | 3304 |
| 53 | 1318 |
| 54 | 127 |
| 55 | 1 |
| 56 | 11 |
| 57 | 55 |
| 58 | 285 |
| 59 | 1212 |
| 60 | 4088 |
| 61 | 9695 |
| 62 | 14569 |
| 63 | 11464 |
| 64 | 3502 |
| 65 | 226 |
| 66 | 1 |
[1,2,1,3,3,1,4,6,5,1,5,10,14,8,1,6,15,30,32,14,1, 7,21,55,90,80,23,1,8,28,91,205,294,196,41,1,9,36, 140,406,829,964,508,71,1,10,45,204,728,1960,3409, 3304,1318,127,1,11,55,285,1212,4088,9695,14569, 11464,3502,226,1] |