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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | -2 |
| 5 | 2 |
| 6 | 0 |
| 7 | 3 |
| 8 | -6 |
| 9 | 5 |
| 10 | 0 |
| 11 | -6 |
| 12 | 14 |
| 13 | -20 |
| 14 | 14 |
| 15 | 0 |
| 16 | 11 |
| 17 | -36 |
| 18 | 59 |
| 19 | -70 |
| 20 | 42 |
| 21 | 0 |
| 22 | -18 |
| 23 | 87 |
| 24 | -176 |
| 25 | 246 |
| 26 | -252 |
| 27 | 132 |
| 28 | 0 |
| 29 | 28 |
| 30 | -190 |
| 31 | 500 |
| 32 | -824 |
| 33 | 1022 |
| 34 | -924 |
| 35 | 429 |
| 36 | 0 |
| 37 | -44 |
| 38 | 386 |
| 39 | -1312 |
| 40 | 2615 |
| 41 | -3780 |
| 42 | 4236 |
| 43 | -3432 |
| 44 | 1430 |
| 45 | 0 |
| 46 | 69 |
| 47 | -756 |
| 48 | 3218 |
| 49 | -7734 |
| 50 | 13107 |
| 51 | -17112 |
| 52 | 17523 |
| 53 | -12870 |
| 54 | 4862 |
| 55 | 0 |
| 56 | -104 |
| 57 | 1443 |
| 58 | -7514 |
| 59 | 21496 |
| 60 | -42444 |
| 61 | 64031 |
| 62 | -76692 |
| 63 | 72358 |
| 64 | -48620 |
| 65 | 16796 |
[1,0,1,0,-2,2,0,3,-6,5,0,-6,14,-20,14,0,11,-36,59, -70,42,0,-18,87,-176,246,-252,132,0,28,-190,500, -824,1022,-924,429,0,-44,386,-1312,2615,-3780, 4236,-3432,1430,0,69,-756,3218,-7734,13107,-17112, 17523,-12870,4862,0,-104,1443,-7514,21496,-42444, 64031,-76692,72358,-48620,16796] |