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