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