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) |
|---|---|
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 2 |
| 6 | 1 |
| 7 | 1 |
| 8 | 2 |
| 9 | 4 |
| 10 | 1 |
| 11 | 1 |
| 12 | 3 |
| 13 | 4 |
| 14 | 5 |
| 15 | 1 |
| 16 | 1 |
| 17 | 3 |
| 18 | 9 |
| 19 | 5 |
| 20 | 7 |
| 21 | 1 |
| 22 | 1 |
| 23 | 4 |
| 24 | 9 |
| 25 | 15 |
| 26 | 7 |
| 27 | 8 |
| 28 | 1 |
| 29 | 1 |
| 30 | 4 |
| 31 | 16 |
| 32 | 15 |
| 33 | 27 |
| 34 | 8 |
| 35 | 10 |
| 36 | 1 |
| 37 | 1 |
| 38 | 5 |
| 39 | 16 |
| 40 | 34 |
| 41 | 27 |
| 42 | 37 |
| 43 | 10 |
| 44 | 11 |
| 45 | 1 |
| 46 | 1 |
| 47 | 5 |
| 48 | 25 |
| 49 | 34 |
| 50 | 76 |
| 51 | 37 |
| 52 | 55 |
| 53 | 11 |
| 54 | 13 |
| 55 | 1 |
| 56 | 1 |
| 57 | 6 |
| 58 | 25 |
| 59 | 65 |
| 60 | 76 |
| 61 | 124 |
| 62 | 55 |
| 63 | 69 |
| 64 | 13 |
| 65 | 14 |
| 66 | 1 |
| 67 | 1 |
| 68 | 6 |
| 69 | 36 |
| 70 | 65 |
| 71 | 175 |
| 72 | 124 |
| 73 | 216 |
| 74 | 69 |
| 75 | 93 |
| 76 | 14 |
| 77 | 16 |
| 78 | 1 |
| 79 | 1 |
[1,1,1,2,1,1,2,4,1,1,3,4,5,1,1,3,9,5,7,1,1,4,9,15, 7,8,1,1,4,16,15,27,8,10,1,1,5,16,34,27,37,10,11,1, 1,5,25,34,76,37,55,11,13,1,1,6,25,65,76,124,55,69, 13,14,1,1,6,36,65,175,124,216,69,93,14,16,1,1] |