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