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 | -4 |
| 1 | 1 |
| 2 | -1 |
| 3 | 1 |
| 4 | 1 |
| 5 | -3 |
| 6 | 1 |
| 7 | -1 |
| 8 | 6 |
| 9 | -5 |
| 10 | 1 |
| 11 | -1 |
| 12 | 9 |
| 13 | -6 |
| 14 | 1 |
| 15 | -1 |
| 16 | 15 |
| 17 | -35 |
| 18 | 28 |
| 19 | -9 |
| 20 | 1 |
| 21 | 1 |
| 22 | -21 |
| 23 | 70 |
| 24 | -84 |
| 25 | 45 |
| 26 | -11 |
| 27 | 1 |
| 28 | 1 |
| 29 | -24 |
| 30 | 26 |
| 31 | -9 |
| 32 | 1 |
| 33 | 1 |
| 34 | -36 |
| 35 | 210 |
| 36 | -462 |
| 37 | 495 |
| 38 | -286 |
| 39 | 91 |
| 40 | -15 |
| 41 | 1 |
| 42 | -1 |
| 43 | 45 |
| 44 | -330 |
| 45 | 924 |
| 46 | -1287 |
| 47 | 1001 |
| 48 | -455 |
| 49 | 120 |
| 50 | -17 |
| 51 | 1 |
| 52 | 1 |
| 53 | -48 |
| 54 | 148 |
| 55 | -146 |
| 56 | 64 |
| 57 | -13 |
| 58 | 1 |
[-4,1,-1,1,1,-3,1,-1,6,-5,1,-1,9,-6,1,-1,15,-35, 28,-9,1,1,-21,70,-84,45,-11,1,1,-24,26,-9,1,1,-36, 210,-462,495,-286,91,-15,1,-1,45,-330,924,-1287, 1001,-455,120,-17,1,1,-48,148,-146,64,-13,1] |