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 | -2 |
| 4 | -3 |
| 5 | 1 |
| 6 | 1 |
| 7 | 6 |
| 8 | 6 |
| 9 | -1 |
| 10 | 0 |
| 11 | -4 |
| 12 | -16 |
| 13 | -10 |
| 14 | 1 |
| 15 | 0 |
| 16 | 0 |
| 17 | 15 |
| 18 | 32 |
| 19 | 15 |
| 20 | -1 |
| 21 | 0 |
| 22 | 0 |
| 23 | 0 |
| 24 | -36 |
| 25 | -60 |
| 26 | -21 |
| 27 | 1 |
| 28 | 0 |
| 29 | 0 |
| 30 | 0 |
| 31 | 0 |
| 32 | 84 |
| 33 | 100 |
| 34 | 28 |
| 35 | -1 |
| 36 | 0 |
| 37 | 0 |
| 38 | 0 |
| 39 | 0 |
| 40 | 0 |
| 41 | -160 |
| 42 | -160 |
| 43 | -36 |
| 44 | 1 |
| 45 | 0 |
| 46 | 0 |
| 47 | 0 |
| 48 | 0 |
| 49 | 0 |
| 50 | 0 |
| 51 | 300 |
| 52 | 240 |
| 53 | 45 |
| 54 | -1 |
| 55 | 0 |
| 56 | 0 |
| 57 | 0 |
| 58 | 0 |
| 59 | 0 |
| 60 | 0 |
| 61 | 0 |
| 62 | -500 |
| 63 | -350 |
[1,-1,-2,-3,1,1,6,6,-1,0,-4,-16,-10,1,0,0,15,32, 15,-1,0,0,0,-36,-60,-21,1,0,0,0,0,84,100,28,-1,0, 0,0,0,0,-160,-160,-36,1,0,0,0,0,0,0,300,240,45,-1, 0,0,0,0,0,0,0,-500,-350] |