The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | -2 |
| 5 | 5 |
| 6 | -2 |
| 7 | 29 |
| 8 | -9 |
| 9 | -2 |
| 10 | 0 |
| 11 | 209 |
| 12 | -12 |
| 13 | 2309 |
| 14 | 22 |
| 15 | 0 |
| 16 | -28 |
| 17 | 30029 |
| 18 | -16 |
| 19 | 510509 |
| 20 | -16 |
| 21 | 22 |
| 22 | 198 |
| 23 | 9699689 |
| 24 | -39 |
| 25 | 2 |
| 26 | 2296 |
| 27 | -21 |
| 28 | 0 |
| 29 | 223092869 |
| 30 | -22 |
| 31 | 6469693229 |
| 32 | -75 |
| 33 | 198 |
| 34 | 30012 |
| 35 | 24 |
| 36 | -54 |
| 37 | 200560490129 |
| 38 | 510490 |
| 39 | 2296 |
| 40 | -59 |
| 41 | 7420738134809 |
| 42 | -8 |
| 43 | 304250263527209 |
| 44 | 164 |
| 45 | -29 |
| 46 | 9699666 |
| 47 | 13082761331670029 |
| 48 | -106 |
| 49 | 46 |
| 50 | -32 |
| 51 | 30012 |
| 52 | 2256 |
[0,0,1,-2,5,-2,29,-9,-2,0,209,-12,2309,22,0,-28, 30029,-16,510509,-16,22,198,9699689,-39,2,2296, -21,0,223092869,-22,6469693229,-75,198,30012,24, -54,200560490129,510490,2296,-59,7420738134809,-8, 304250263527209,164,-29,9699666,13082761331670029, -106,46,-32,30012,2256] |