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) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 2 |
| 5 | 3 |
| 6 | 3 |
| 7 | 3 |
| 8 | 6 |
| 9 | 6 |
| 10 | 3 |
| 11 | 5 |
| 12 | 5 |
| 13 | 3 |
| 14 | 9 |
| 15 | 12 |
| 16 | 4 |
| 17 | 5 |
| 18 | 5 |
| 19 | 5 |
| 20 | 15 |
| 21 | 9 |
| 22 | 3 |
| 23 | 7 |
| 24 | 14 |
| 25 | 6 |
| 26 | 9 |
| 27 | 15 |
| 28 | 5 |
| 29 | 7 |
| 30 | 7 |
| 31 | 5 |
| 32 | 15 |
| 33 | 9 |
| 34 | 9 |
| 35 | 24 |
| 36 | 8 |
| 37 | 3 |
| 38 | 9 |
| 39 | 21 |
| 40 | 7 |
| 41 | 7 |
| 42 | 7 |
| 43 | 5 |
| 44 | 25 |
| 45 | 15 |
| 46 | 3 |
| 47 | 9 |
| 48 | 18 |
| 49 | 10 |
| 50 | 15 |
| 51 | 15 |
| 52 | 5 |
| 53 | 7 |
| 54 | 21 |
| 55 | 21 |
| 56 | 21 |
| 57 | 9 |
| 58 | 3 |
| 59 | 11 |
| 60 | 11 |
| 61 | 3 |
| 62 | 15 |
| 63 | 30 |
| 64 | 18 |
| 65 | 21 |
| 66 | 7 |
| 67 | 5 |
| 68 | 15 |
| 69 | 21 |
| 70 | 7 |
| 71 | 11 |
| 72 | 11 |
| 73 | 3 |
| 74 | 15 |
| 75 | 25 |
| 76 | 15 |
| 77 | 21 |
| 78 | 7 |
| 79 | 9 |
| 80 | 36 |
| 81 | 12 |
| 82 | 3 |
| 83 | 11 |
| 84 | 33 |
| 85 | 9 |
| 86 | 9 |
| 87 | 21 |
| 88 | 7 |
[0,1,2,2,3,3,3,6,6,3,5,5,3,9,12,4,5,5,5,15,9,3,7, 14,6,9,15,5,7,7,5,15,9,9,24,8,3,9,21,7,7,7,5,25, 15,3,9,18,10,15,15,5,7,21,21,21,9,3,11,11,3,15,30, 18,21,7,5,15,21,7,11,11,3,15,25,15,21,7,9,36,12,3, 11,33,9,9,21,7] |