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 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 1 |
| 5 | -1 |
| 6 | 2 |
| 7 | -1 |
| 8 | 6 |
| 9 | 4 |
| 10 | 1 |
| 11 | -4 |
| 12 | 11 |
| 13 | -4 |
| 14 | 3 |
| 15 | 3 |
| 16 | 25 |
| 17 | -7 |
| 18 | 20 |
| 19 | -7 |
| 20 | 12 |
| 21 | 7 |
| 22 | -2 |
| 23 | -8 |
| 24 | 44 |
| 25 | 0 |
| 26 | 0 |
| 27 | 36 |
| 28 | 22 |
| 29 | -13 |
| 30 | 23 |
| 31 | -12 |
| 32 | 90 |
| 33 | 0 |
| 34 | -5 |
| 35 | 4 |
| 36 | 77 |
| 37 | -16 |
| 38 | -3 |
| 39 | 4 |
| 40 | 55 |
| 41 | -19 |
| 42 | 41 |
| 43 | -19 |
| 44 | 15 |
| 45 | 43 |
| 46 | -2 |
| 47 | -20 |
| 48 | 155 |
| 49 | 12 |
| 50 | 24 |
| 51 | -3 |
| 52 | 25 |
| 53 | -23 |
| 54 | 134 |
| 55 | -9 |
| 56 | 93 |
| 57 | 1 |
| 58 | -11 |
| 59 | -28 |
| 60 | 98 |
| 61 | -27 |
| 62 | -6 |
| 63 | 75 |
| 64 | 301 |
| 65 | -5 |
| 66 | 32 |
| 67 | -31 |
| 68 | 18 |
| 69 | 4 |
| 70 | 46 |
| 71 | -34 |
| 72 | 266 |
| 73 | -33 |
| 74 | -12 |
| 75 | 48 |
| 76 | 28 |
| 77 | -5 |
| 78 | 50 |
| 79 | -37 |
[0,0,0,1,-1,2,-1,6,4,1,-4,11,-4,3,3,25,-7,20,-7, 12,7,-2,-8,44,0,0,36,22,-13,23,-12,90,0,-5,4,77, -16,-3,4,55,-19,41,-19,15,43,-2,-20,155,12,24,-3, 25,-23,134,-9,93,1,-11,-28,98,-27,-6,75,301,-5,32, -31,18,4,46,-34,266,-33,-12,48,28,-5,50,-37] |