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 | -2 |
| 6 | 1 |
| 7 | 1 |
| 8 | -3 |
| 9 | 3 |
| 10 | -1 |
| 11 | 0 |
| 12 | 0 |
| 13 | 4 |
| 14 | -4 |
| 15 | 1 |
| 16 | 1 |
| 17 | -5 |
| 18 | 10 |
| 19 | -10 |
| 20 | 5 |
| 21 | -1 |
| 22 | 0 |
| 23 | 0 |
| 24 | 0 |
| 25 | -8 |
| 26 | 12 |
| 27 | -6 |
| 28 | 1 |
| 29 | 1 |
| 30 | -7 |
| 31 | 21 |
| 32 | -35 |
| 33 | 35 |
| 34 | -21 |
| 35 | 7 |
| 36 | -1 |
| 37 | 0 |
| 38 | 0 |
| 39 | 0 |
| 40 | 0 |
| 41 | 16 |
| 42 | -32 |
| 43 | 24 |
| 44 | -8 |
| 45 | 1 |
| 46 | 1 |
| 47 | -9 |
| 48 | 36 |
| 49 | -84 |
| 50 | 126 |
| 51 | -126 |
| 52 | 84 |
| 53 | -36 |
| 54 | 9 |
| 55 | -1 |
| 56 | 0 |
| 57 | 0 |
| 58 | 0 |
| 59 | 0 |
| 60 | 0 |
| 61 | -32 |
| 62 | 80 |
| 63 | -80 |
| 64 | 40 |
| 65 | -10 |
| 66 | 1 |
[1,1,-1,0,-2,1,1,-3,3,-1,0,0,4,-4,1,1,-5,10,-10,5, -1,0,0,0,-8,12,-6,1,1,-7,21,-35,35,-21,7,-1,0,0,0, 0,16,-32,24,-8,1,1,-9,36,-84,126,-126,84,-36,9,-1, 0,0,0,0,0,-32,80,-80,40,-10,1] |