The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | -1 |
| 3 | -2 |
| 4 | -3 |
| 5 | -6 |
| 6 | -6 |
| 7 | 1 |
| 8 | 4 |
| 9 | 3 |
| 10 | 0 |
| 11 | -5 |
| 12 | -10 |
| 13 | -8 |
| 14 | 3 |
| 15 | 8 |
| 16 | 5 |
| 17 | -2 |
| 18 | -9 |
| 19 | -12 |
| 20 | -6 |
| 21 | 7 |
| 22 | 16 |
| 23 | 10 |
| 24 | -9 |
| 25 | -18 |
| 26 | -11 |
| 27 | 4 |
| 28 | 15 |
| 29 | 14 |
| 30 | -2 |
| 31 | -16 |
| 32 | -20 |
| 33 | -3 |
| 34 | 14 |
| 35 | 17 |
| 36 | 6 |
| 37 | -12 |
| 38 | -24 |
| 39 | -11 |
| 40 | 10 |
| 41 | 21 |
| 42 | 14 |
| 43 | -8 |
| 44 | -22 |
| 45 | -20 |
| 46 | 3 |
| 47 | 20 |
| 48 | 17 |
| 49 | -2 |
| 50 | -21 |
| 51 | -24 |
| 52 | -6 |
| 53 | 19 |
| 54 | 28 |
| 55 | 10 |
| 56 | -21 |
| 57 | -36 |
| 58 | -18 |
| 59 | 19 |
| 60 | 40 |
| 61 | 22 |
| 62 | -21 |
| 63 | -42 |
| 64 | -23 |
| 65 | 16 |
| 66 | 39 |
| 67 | 26 |
| 68 | -14 |
| 69 | -40 |
| 70 | -32 |
| 71 | 9 |
| 72 | 38 |
| 73 | 29 |
| 74 | -8 |
| 75 | -39 |
| 76 | -36 |
| 77 | 2 |
| 78 | 36 |
| 79 | 38 |
| 80 | -1 |
| 81 | -38 |
[1,2,-1,-2,-3,-6,-6,1,4,3,0,-5,-10,-8,3,8,5,-2,-9, -12,-6,7,16,10,-9,-18,-11,4,15,14,-2,-16,-20,-3, 14,17,6,-12,-24,-11,10,21,14,-8,-22,-20,3,20,17, -2,-21,-24,-6,19,28,10,-21,-36,-18,19,40,22,-21, -42,-23,16,39,26,-14,-40,-32,9,38,29,-8,-39,-36,2, 36,38,-1,-38] |