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) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 1 |
| 7 | 2 |
| 8 | 4 |
| 9 | 6 |
| 10 | 1 |
| 11 | 3 |
| 12 | 7 |
| 13 | 13 |
| 14 | 22 |
| 15 | 1 |
| 16 | 4 |
| 17 | 11 |
| 18 | 24 |
| 19 | 46 |
| 20 | 80 |
| 21 | 1 |
| 22 | 5 |
| 23 | 16 |
| 24 | 40 |
| 25 | 86 |
| 26 | 166 |
| 27 | 296 |
| 28 | 1 |
| 29 | 6 |
| 30 | 22 |
| 31 | 62 |
| 32 | 148 |
| 33 | 314 |
| 34 | 610 |
| 35 | 1106 |
| 36 | 1 |
| 37 | 7 |
| 38 | 29 |
| 39 | 91 |
| 40 | 239 |
| 41 | 553 |
| 42 | 1163 |
| 43 | 2269 |
| 44 | 4166 |
| 45 | 1 |
| 46 | 8 |
| 47 | 37 |
| 48 | 128 |
| 49 | 367 |
| 50 | 920 |
| 51 | 2083 |
| 52 | 4352 |
| 53 | 8518 |
| 54 | 15792 |
| 55 | 1 |
| 56 | 9 |
| 57 | 46 |
| 58 | 174 |
| 59 | 541 |
| 60 | 1461 |
| 61 | 3544 |
| 62 | 7896 |
[1,1,0,1,1,2,1,2,4,6,1,3,7,13,22,1,4,11,24,46,80, 1,5,16,40,86,166,296,1,6,22,62,148,314,610,1106,1, 7,29,91,239,553,1163,2269,4166,1,8,37,128,367,920, 2083,4352,8518,15792,1,9,46,174,541,1461,3544, 7896] |