The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 0 |
| 4 | 1 |
| 5 | 1 |
| 6 | -1 |
| 7 | -1 |
| 8 | 2 |
| 9 | 2 |
| 10 | 0 |
| 11 | -3 |
| 12 | -3 |
| 13 | 4 |
| 14 | 4 |
| 15 | 1 |
| 16 | 1 |
| 17 | -8 |
| 18 | -8 |
| 19 | 8 |
| 20 | 8 |
| 21 | 0 |
| 22 | 5 |
| 23 | 5 |
| 24 | -20 |
| 25 | -20 |
| 26 | 16 |
| 27 | 16 |
| 28 | -1 |
| 29 | -1 |
| 30 | 18 |
| 31 | 18 |
| 32 | -48 |
| 33 | -48 |
| 34 | 32 |
| 35 | 32 |
| 36 | 0 |
| 37 | -7 |
| 38 | -7 |
| 39 | 56 |
| 40 | 56 |
| 41 | -112 |
| 42 | -112 |
| 43 | 64 |
| 44 | 64 |
| 45 | 1 |
| 46 | 1 |
| 47 | -32 |
| 48 | -32 |
| 49 | 160 |
| 50 | 160 |
| 51 | -256 |
| 52 | -256 |
| 53 | 128 |
| 54 | 128 |
| 55 | 0 |
| 56 | 9 |
| 57 | 9 |
| 58 | -120 |
| 59 | -120 |
| 60 | 432 |
| 61 | 432 |
| 62 | -576 |
| 63 | -576 |
| 64 | 256 |
| 65 | 256 |
[0,1,1,0,1,1,-1,-1,2,2,0,-3,-3,4,4,1,1,-8,-8,8,8, 0,5,5,-20,-20,16,16,-1,-1,18,18,-48,-48,32,32,0, -7,-7,56,56,-112,-112,64,64,1,1,-32,-32,160,160, -256,-256,128,128,0,9,9,-120,-120,432,432,-576, -576,256,256] |