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