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 | 0 |
| 4 | 1 |
| 5 | 0 |
| 6 | 1 |
| 7 | 0 |
| 8 | 1 |
| 9 | 2 |
| 10 | 1 |
| 11 | 3 |
| 12 | 4 |
| 13 | 3 |
| 14 | 4 |
| 15 | 4 |
| 16 | 3 |
| 17 | 4 |
| 18 | 9 |
| 19 | 14 |
| 20 | 18 |
| 21 | 19 |
| 22 | 8 |
| 23 | 16 |
| 24 | 25 |
| 25 | 27 |
| 26 | 47 |
| 27 | 37 |
| 28 | 55 |
| 29 | 83 |
| 30 | 66 |
| 31 | 92 |
| 32 | 100 |
| 33 | 108 |
| 34 | 214 |
| 35 | 189 |
| 36 | 201 |
| 37 | 303 |
| 38 | 334 |
| 39 | 535 |
| 40 | 587 |
| 41 | 587 |
| 42 | 689 |
| 43 | 764 |
| 44 | 908 |
| 45 | 1278 |
| 46 | 1494 |
| 47 | 1904 |
| 48 | 2369 |
| 49 | 2744 |
| 50 | 2970 |
| 51 | 3269 |
| 52 | 3805 |
| 53 | 4780 |
| 54 | 6701 |
| 55 | 7744 |
| 56 | 9120 |
| 57 | 10582 |
| 58 | 11082 |
[1,1,0,0,1,0,1,0,1,2,1,3,4,3,4,4,3,4,9,14,18,19,8, 16,25,27,47,37,55,83,66,92,100,108,214,189,201, 303,334,535,587,587,689,764,908,1278,1494,1904, 2369,2744,2970,3269,3805,4780,6701,7744,9120, 10582,11082] |