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