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