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 | 1 |
| 4 | 0 |
| 5 | 1 |
| 6 | 2 |
| 7 | 1 |
| 8 | 4 |
| 9 | 3 |
| 10 | 2 |
| 11 | 1 |
| 12 | 4 |
| 13 | 1 |
| 14 | 0 |
| 15 | 5 |
| 16 | 0 |
| 17 | 1 |
| 18 | 6 |
| 19 | 1 |
| 20 | 14 |
| 21 | 3 |
| 22 | 8 |
| 23 | 1 |
| 24 | 8 |
| 25 | 3 |
| 26 | 12 |
| 27 | 9 |
| 28 | 16 |
| 29 | 1 |
| 30 | 14 |
| 31 | 1 |
| 32 | 10 |
| 33 | 11 |
| 34 | 8 |
| 35 | 3 |
| 36 | 12 |
| 37 | 1 |
| 38 | 0 |
| 39 | 15 |
| 40 | -4 |
| 41 | 1 |
| 42 | 12 |
| 43 | 1 |
| 44 | 8 |
| 45 | 15 |
| 46 | 2 |
| 47 | 1 |
| 48 | 10 |
| 49 | 1 |
| 50 | 8 |
| 51 | 11 |
| 52 | 4 |
| 53 | 1 |
| 54 | 18 |
| 55 | 11 |
| 56 | 24 |
| 57 | 3 |
| 58 | 26 |
| 59 | 1 |
| 60 | 28 |
| 61 | 1 |
| 62 | 30 |
| 63 | 9 |
| 64 | 30 |
| 65 | 15 |
| 66 | 20 |
| 67 | 1 |
| 68 | 32 |
| 69 | 5 |
| 70 | 46 |
| 71 | 1 |
| 72 | 24 |
| 73 | 1 |
| 74 | 36 |
| 75 | 7 |
| 76 | 40 |
| 77 | 9 |
| 78 | 24 |
| 79 | 1 |
| 80 | 50 |
| 81 | 27 |
| 82 | 38 |
| 83 | 1 |
| 84 | 60 |
| 85 | 11 |
| 86 | 36 |
| 87 | 29 |
| 88 | 32 |
| 89 | 1 |
| 90 | 42 |
| 91 | 13 |
| 92 | 32 |
| 93 | 33 |
| 94 | 26 |
| 95 | 3 |
| 96 | 50 |
| 97 | 1 |
[0,1,1,0,1,2,1,4,3,2,1,4,1,0,5,0,1,6,1,14,3,8,1,8, 3,12,9,16,1,14,1,10,11,8,3,12,1,0,15,-4,1,12,1,8, 15,2,1,10,1,8,11,4,1,18,11,24,3,26,1,28,1,30,9,30, 15,20,1,32,5,46,1,24,1,36,7,40,9,24,1,50,27,38,1, 60,11,36,29,32,1,42,13,32,33,26,3,50,1] |