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 |
| 0 | 1 |
| 1 | 0 |
| 2 | 2 |
| 3 | -1 |
| 4 | -2 |
| 5 | 4 |
| 6 | -2 |
| 7 | -2 |
| 8 | 6 |
| 9 | -4 |
| 10 | -4 |
| 11 | 10 |
| 12 | -6 |
| 13 | -8 |
| 14 | 16 |
| 15 | -9 |
| 16 | -10 |
| 17 | 24 |
| 18 | -14 |
| 19 | -16 |
| 20 | 36 |
| 21 | -20 |
| 22 | -24 |
| 23 | 53 |
| 24 | -30 |
| 25 | -32 |
| 26 | 76 |
| 27 | -43 |
| 28 | -48 |
| 29 | 108 |
| 30 | -60 |
| 31 | -68 |
| 32 | 150 |
| 33 | -84 |
| 34 | -92 |
| 35 | 206 |
| 36 | -114 |
| 37 | -128 |
| 38 | 280 |
| 39 | -155 |
| 40 | -172 |
| 41 | 376 |
| 42 | -208 |
| 43 | -228 |
| 44 | 504 |
| 45 | -276 |
| 46 | -304 |
| 47 | 668 |
| 48 | -366 |
| 49 | -400 |
| 50 | 878 |
| 51 | -480 |
| 52 | -524 |
| 53 | 1148 |
[1,1,0,2,-1,-2,4,-2,-2,6,-4,-4,10,-6,-8,16,-9,-10, 24,-14,-16,36,-20,-24,53,-30,-32,76,-43,-48,108, -60,-68,150,-84,-92,206,-114,-128,280,-155,-172, 376,-208,-228,504,-276,-304,668,-366,-400,878, -480,-524,1148] |