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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 0 |
| 3 | 2 |
| 4 | -1 |
| 5 | 0 |
| 6 | 17 |
| 7 | -4 |
| 8 | 1 |
| 9 | 0 |
| 10 | 40 |
| 11 | -49 |
| 12 | 6 |
| 13 | -1 |
| 14 | 0 |
| 15 | 401 |
| 16 | -140 |
| 17 | 97 |
| 18 | -8 |
| 19 | 1 |
| 20 | 0 |
| 21 | 1042 |
| 22 | -1569 |
| 23 | 336 |
| 24 | -161 |
| 25 | 10 |
| 26 | -1 |
| 27 | 0 |
| 28 | 11073 |
| 29 | -4376 |
| 30 | 4321 |
| 31 | -660 |
| 32 | 241 |
| 33 | -12 |
| 34 | 1 |
| 35 | 0 |
| 36 | 29856 |
| 37 | -48833 |
| 38 | 13342 |
| 39 | -9681 |
| 40 | 1144 |
| 41 | -337 |
| 42 | 14 |
| 43 | -1 |
| 44 | 0 |
| 45 | 325441 |
| 46 | -136488 |
| 47 | 160929 |
| 48 | -33188 |
| 49 | 18929 |
| 50 | -1820 |
| 51 | 449 |
| 52 | -16 |
| 53 | 1 |
| 54 | 0 |
[0,1,0,2,-1,0,17,-4,1,0,40,-49,6,-1,0,401,-140,97, -8,1,0,1042,-1569,336,-161,10,-1,0,11073,-4376, 4321,-660,241,-12,1,0,29856,-48833,13342,-9681, 1144,-337,14,-1,0,325441,-136488,160929,-33188, 18929,-1820,449,-16,1,0] |