The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | -9 |
| 3 | 31 |
| 4 | -45 |
| 5 | 6 |
| 6 | 45 |
| 7 | 8 |
| 8 | -117 |
| 9 | 121 |
| 10 | -54 |
| 11 | 12 |
| 12 | 9 |
| 13 | 14 |
| 14 | -72 |
| 15 | 186 |
| 16 | -261 |
| 17 | 18 |
| 18 | 207 |
| 19 | 20 |
| 20 | -270 |
| 21 | 248 |
| 22 | -108 |
| 23 | 24 |
| 24 | -63 |
| 25 | 31 |
| 26 | -126 |
| 27 | 391 |
| 28 | -360 |
| 29 | 30 |
| 30 | 270 |
| 31 | 32 |
| 32 | -549 |
| 33 | 372 |
| 34 | -162 |
| 35 | 48 |
| 36 | 171 |
| 37 | 38 |
| 38 | -180 |
| 39 | 434 |
| 40 | -702 |
| 41 | 42 |
| 42 | 360 |
| 43 | 44 |
| 44 | -540 |
| 45 | 726 |
| 46 | -216 |
| 47 | 48 |
| 48 | -207 |
| 49 | 57 |
| 50 | -279 |
| 51 | 558 |
| 52 | -630 |
| 53 | 54 |
| 54 | 693 |
[0,1,-9,31,-45,6,45,8,-117,121,-54,12,9,14,-72, 186,-261,18,207,20,-270,248,-108,24,-63,31,-126, 391,-360,30,270,32,-549,372,-162,48,171,38,-180, 434,-702,42,360,44,-540,726,-216,48,-207,57,-279, 558,-630,54,693] |