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 | 1 |
| 2 | -1 |
| 3 | 0 |
| 4 | 1 |
| 5 | -4 |
| 6 | 6 |
| 7 | -3 |
| 8 | 0 |
| 9 | 1 |
| 10 | -9 |
| 11 | 36 |
| 12 | -75 |
| 13 | 78 |
| 14 | -31 |
| 15 | 0 |
| 16 | 1 |
| 17 | -16 |
| 18 | 120 |
| 19 | -524 |
| 20 | 1400 |
| 21 | -2236 |
| 22 | 1930 |
| 23 | -675 |
| 24 | 0 |
| 25 | 1 |
| 26 | -25 |
| 27 | 300 |
| 28 | -2200 |
| 29 | 10650 |
| 30 | -34730 |
| 31 | 75170 |
| 32 | -102545 |
| 33 | 78610 |
| 34 | -25231 |
| 35 | 0 |
| 36 | 1 |
| 37 | -36 |
| 38 | 630 |
| 39 | -6915 |
| 40 | 52080 |
| 41 | -279142 |
| 42 | 1074822 |
| 43 | -2942445 |
| 44 | 5552680 |
| 45 | -6796926 |
| 46 | 4787174 |
[1,1,-1,0,1,-4,6,-3,0,1,-9,36,-75,78,-31,0,1,-16, 120,-524,1400,-2236,1930,-675,0,1,-25,300,-2200, 10650,-34730,75170,-102545,78610,-25231,0,1,-36, 630,-6915,52080,-279142,1074822,-2942445,5552680, -6796926,4787174] |