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