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 | 1 |
| 4 | -2 |
| 5 | 1 |
| 6 | 1 |
| 7 | -1 |
| 8 | -1 |
| 9 | 1 |
| 10 | 1 |
| 11 | -2 |
| 12 | 0 |
| 13 | 2 |
| 14 | -1 |
| 15 | 1 |
| 16 | -1 |
| 17 | -2 |
| 18 | 2 |
| 19 | 1 |
| 20 | -1 |
| 21 | 1 |
| 22 | -2 |
| 23 | -1 |
| 24 | 4 |
| 25 | -1 |
| 26 | -2 |
| 27 | 1 |
| 28 | 1 |
| 29 | -1 |
| 30 | -3 |
| 31 | 3 |
| 32 | 3 |
| 33 | -3 |
| 34 | -1 |
| 35 | 1 |
| 36 | 1 |
| 37 | -2 |
| 38 | -2 |
| 39 | 6 |
| 40 | 0 |
| 41 | -6 |
| 42 | 2 |
| 43 | 2 |
| 44 | -1 |
| 45 | 1 |
| 46 | -1 |
| 47 | -4 |
| 48 | 4 |
| 49 | 6 |
| 50 | -6 |
| 51 | -4 |
| 52 | 4 |
| 53 | 1 |
| 54 | -1 |
| 55 | 1 |
| 56 | -2 |
| 57 | -3 |
| 58 | 8 |
| 59 | 2 |
| 60 | -12 |
| 61 | 2 |
| 62 | 8 |
| 63 | -3 |
| 64 | -2 |
| 65 | 1 |
[1,1,-1,1,-2,1,1,-1,-1,1,1,-2,0,2,-1,1,-1,-2,2,1, -1,1,-2,-1,4,-1,-2,1,1,-1,-3,3,3,-3,-1,1,1,-2,-2, 6,0,-6,2,2,-1,1,-1,-4,4,6,-6,-4,4,1,-1,1,-2,-3,8, 2,-12,2,8,-3,-2,1] |