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 | -2 |
| 3 | -3 |
| 4 | 2 |
| 5 | -5 |
| 6 | 10 |
| 7 | -7 |
| 8 | -2 |
| 9 | 6 |
| 10 | 18 |
| 11 | -11 |
| 12 | -18 |
| 13 | -13 |
| 14 | 26 |
| 15 | 27 |
| 16 | 2 |
| 17 | -17 |
| 18 | -32 |
| 19 | -19 |
| 20 | -34 |
| 21 | 39 |
| 22 | 42 |
| 23 | -23 |
| 24 | 26 |
| 25 | 20 |
| 26 | 50 |
| 27 | -12 |
| 28 | -50 |
| 29 | -29 |
| 30 | -138 |
| 31 | -31 |
| 32 | -2 |
| 33 | 63 |
| 34 | 66 |
| 35 | 65 |
| 36 | 88 |
| 37 | -37 |
| 38 | 74 |
| 39 | 75 |
| 40 | 50 |
| 41 | -41 |
| 42 | -202 |
| 43 | -43 |
| 44 | -82 |
| 45 | -90 |
| 46 | 90 |
| 47 | -47 |
| 48 | -34 |
| 49 | 42 |
| 50 | -112 |
| 51 | 99 |
| 52 | -98 |
| 53 | -53 |
| 54 | 88 |
| 55 | 105 |
| 56 | 74 |
| 57 | 111 |
| 58 | 114 |
| 59 | -59 |
| 60 | 370 |
[1,-2,-3,2,-5,10,-7,-2,6,18,-11,-18,-13,26,27,2, -17,-32,-19,-34,39,42,-23,26,20,50,-12,-50,-29, -138,-31,-2,63,66,65,88,-37,74,75,50,-41,-202,-43, -82,-90,90,-47,-34,42,-112,99,-98,-53,88,105,74, 111,114,-59,370] |