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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | -1 |
| 3 | 1 |
| 4 | 2 |
| 5 | -1 |
| 6 | -4 |
| 7 | 1 |
| 8 | 7 |
| 9 | 0 |
| 10 | -12 |
| 11 | -3 |
| 12 | 20 |
| 13 | 10 |
| 14 | -32 |
| 15 | -25 |
| 16 | 49 |
| 17 | 55 |
| 18 | -71 |
| 19 | -112 |
| 20 | 95 |
| 21 | 216 |
| 22 | -111 |
| 23 | -399 |
| 24 | 94 |
| 25 | 710 |
| 26 | 11 |
| 27 | -1220 |
| 28 | -316 |
| 29 | 2024 |
| 30 | 1037 |
| 31 | -3233 |
| 32 | -2573 |
| 33 | 4941 |
| 34 | 5634 |
| 35 | -7137 |
| 36 | -11440 |
| 37 | 9505 |
| 38 | 22015 |
| 39 | -11008 |
| 40 | -40592 |
| 41 | 9073 |
| 42 | 72112 |
| 43 | 1934 |
| 44 | -123712 |
| 45 | -33453 |
| 46 | 204897 |
| 47 | 107499 |
| 48 | -326675 |
| 49 | -264664 |
| 50 | 498119 |
| 51 | 577060 |
[1,-1,-1,1,2,-1,-4,1,7,0,-12,-3,20,10,-32,-25,49, 55,-71,-112,95,216,-111,-399,94,710,11,-1220,-316, 2024,1037,-3233,-2573,4941,5634,-7137,-11440,9505, 22015,-11008,-40592,9073,72112,1934,-123712, -33453,204897,107499,-326675,-264664,498119, 577060] |