The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | -1 |
| 2 | 2 |
| 3 | 3 |
| 4 | -3 |
| 5 | 6 |
| 6 | 4 |
| 7 | 9 |
| 8 | -6 |
| 9 | -5 |
| 10 | 15 |
| 11 | 6 |
| 12 | 10 |
| 13 | 21 |
| 14 | -12 |
| 15 | -9 |
| 16 | -10 |
| 17 | 30 |
| 18 | 11 |
| 19 | -18 |
| 20 | 36 |
| 21 | 13 |
| 22 | -21 |
| 23 | -15 |
| 24 | 12 |
| 25 | 25 |
| 26 | 51 |
| 27 | -27 |
| 28 | 54 |
| 29 | 28 |
| 30 | 9 |
| 31 | -33 |
| 32 | -23 |
| 33 | 69 |
| 34 | -15 |
| 35 | 75 |
| 36 | 26 |
| 37 | 27 |
| 38 | -42 |
| 39 | -29 |
| 40 | -30 |
| 41 | 90 |
| 42 | 19 |
| 43 | 96 |
| 44 | 49 |
| 45 | 99 |
| 46 | -88 |
| 47 | -93 |
| 48 | -57 |
| 49 | 114 |
| 50 | 58 |
| 51 | -40 |
| 52 | 120 |
| 53 | 25 |
| 54 | -43 |
| 55 | -44 |
| 56 | -45 |
| 57 | 135 |
| 58 | 46 |
| 59 | 70 |
| 60 | 141 |
| 61 | -88 |
[-1,2,3,-3,6,4,9,-6,-5,15,6,10,21,-12,-9,-10,30, 11,-18,36,13,-21,-15,12,25,51,-27,54,28,9,-33,-23, 69,-15,75,26,27,-42,-29,-30,90,19,96,49,99,-88, -93,-57,114,58,-40,120,25,-43,-44,-45,135,46,70, 141,-88] |