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 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 2 |
| 6 | 2 |
| 7 | 1 |
| 8 | 1 |
| 9 | 3 |
| 10 | 5 |
| 11 | 8 |
| 12 | 10 |
| 13 | 10 |
| 14 | 10 |
| 15 | 8 |
| 16 | 5 |
| 17 | 3 |
| 18 | 1 |
| 19 | 1 |
| 20 | 4 |
| 21 | 9 |
| 22 | 18 |
| 23 | 31 |
| 24 | 46 |
| 25 | 64 |
| 26 | 82 |
| 27 | 96 |
| 28 | 106 |
| 29 | 110 |
| 30 | 106 |
| 31 | 96 |
| 32 | 82 |
| 33 | 64 |
| 34 | 46 |
| 35 | 31 |
| 36 | 18 |
| 37 | 9 |
| 38 | 4 |
| 39 | 1 |
| 40 | 1 |
| 41 | 5 |
| 42 | 14 |
| 43 | 33 |
| 44 | 68 |
| 45 | 124 |
| 46 | 210 |
| 47 | 332 |
| 48 | 492 |
| 49 | 693 |
| 50 | 931 |
| 51 | 1196 |
| 52 | 1476 |
| 53 | 1754 |
| 54 | 2008 |
| 55 | 2220 |
| 56 | 2374 |
| 57 | 2453 |
| 58 | 2453 |
| 59 | 2374 |
| 60 | 2220 |
| 61 | 2008 |
| 62 | 1754 |
| 63 | 1476 |
| 64 | 1196 |
[1,1,1,1,2,2,2,1,1,3,5,8,10,10,10,8,5,3,1,1,4,9, 18,31,46,64,82,96,106,110,106,96,82,64,46,31,18,9, 4,1,1,5,14,33,68,124,210,332,492,693,931,1196, 1476,1754,2008,2220,2374,2453,2453,2374,2220,2008, 1754,1476,1196] |