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