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 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 2 |
| 12 | 3 |
| 13 | 3 |
| 14 | 2 |
| 15 | 1 |
| 16 | 1 |
| 17 | 1 |
| 18 | 1 |
| 19 | 1 |
| 20 | 1 |
| 21 | 2 |
| 22 | 4 |
| 23 | 5 |
| 24 | 7 |
| 25 | 8 |
| 26 | 9 |
| 27 | 8 |
| 28 | 7 |
| 29 | 5 |
| 30 | 4 |
| 31 | 2 |
| 32 | 1 |
| 33 | 1 |
| 34 | 1 |
| 35 | 1 |
| 36 | 1 |
| 37 | 1 |
| 38 | 2 |
| 39 | 4 |
| 40 | 6 |
| 41 | 9 |
| 42 | 14 |
| 43 | 22 |
| 44 | 29 |
| 45 | 33 |
| 46 | 37 |
| 47 | 43 |
| 48 | 43 |
| 49 | 37 |
| 50 | 33 |
| 51 | 29 |
| 52 | 22 |
| 53 | 14 |
| 54 | 9 |
| 55 | 6 |
| 56 | 4 |
| 57 | 2 |
| 58 | 1 |
| 59 | 1 |
| 60 | 1 |
| 61 | 1 |
| 62 | 1 |
| 63 | 1 |
| 64 | 2 |
| 65 | 4 |
| 66 | 6 |
| 67 | 10 |
| 68 | 16 |
| 69 | 29 |
| 70 | 46 |
| 71 | 69 |
| 72 | 99 |
| 73 | 141 |
| 74 | 183 |
| 75 | 230 |
| 76 | 277 |
| 77 | 319 |
| 78 | 342 |
| 79 | 352 |
| 80 | 342 |
| 81 | 319 |
| 82 | 277 |
| 83 | 230 |
| 84 | 183 |
| 85 | 141 |
| 86 | 99 |
| 87 | 69 |
| 88 | 46 |
| 89 | 29 |
| 90 | 16 |
| 91 | 10 |
| 92 | 6 |
| 93 | 4 |
| 94 | 2 |
| 95 | 1 |
| 96 | 1 |
| 97 | 1 |
[1,1,1,1,1,1,1,1,1,1,1,2,3,3,2,1,1,1,1,1,1,2,4,5, 7,8,9,8,7,5,4,2,1,1,1,1,1,1,2,4,6,9,14,22,29,33, 37,43,43,37,33,29,22,14,9,6,4,2,1,1,1,1,1,1,2,4,6, 10,16,29,46,69,99,141,183,230,277,319,342,352,342, 319,277,230,183,141,99,69,46,29,16,10,6,4,2,1,1,1] |