The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 0 |
| 3 | 1 |
| 4 | 0 |
| 5 | 0 |
| 6 | 1 |
| 7 | 0 |
| 8 | -1 |
| 9 | 0 |
| 10 | 1 |
| 11 | 0 |
| 12 | -2 |
| 13 | -3 |
| 14 | 0 |
| 15 | 1 |
| 16 | 0 |
| 17 | -3 |
| 18 | -6 |
| 19 | -6 |
| 20 | 0 |
| 21 | 1 |
| 22 | 0 |
| 23 | -4 |
| 24 | -9 |
| 25 | -10 |
| 26 | -5 |
| 27 | 0 |
| 28 | 1 |
| 29 | 0 |
| 30 | -5 |
| 31 | -12 |
| 32 | -12 |
| 33 | 10 |
| 34 | 33 |
| 35 | 0 |
| 36 | 1 |
| 37 | 0 |
| 38 | -6 |
| 39 | -15 |
| 40 | -12 |
| 41 | 45 |
| 42 | 190 |
| 43 | 266 |
| 44 | 0 |
| 45 | 1 |
| 46 | 0 |
| 47 | -7 |
| 48 | -18 |
| 49 | -10 |
| 50 | 100 |
| 51 | 465 |
| 52 | 1106 |
| 53 | 1309 |
| 54 | 0 |
| 55 | 1 |
| 56 | 0 |
| 57 | -8 |
| 58 | -21 |
| 59 | -6 |
| 60 | 175 |
| 61 | 852 |
| 62 | 2394 |
| 63 | 4438 |
| 64 | 4905 |
| 65 | 0 |
| 66 | 1 |
| 67 | 0 |
| 68 | -9 |
| 69 | -24 |
| 70 | 0 |
| 71 | 270 |
| 72 | 1345 |
| 73 | 4004 |
| 74 | 7827 |
| 75 | 9978 |
| 76 | 11516 |
| 77 | 0 |
[1,1,0,1,0,0,1,0,-1,0,1,0,-2,-3,0,1,0,-3,-6,-6,0, 1,0,-4,-9,-10,-5,0,1,0,-5,-12,-12,10,33,0,1,0,-6, -15,-12,45,190,266,0,1,0,-7,-18,-10,100,465,1106, 1309,0,1,0,-8,-21,-6,175,852,2394,4438,4905,0,1,0, -9,-24,0,270,1345,4004,7827,9978,11516,0] |