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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | -1 |
| 4 | 0 |
| 5 | 4 |
| 6 | 2 |
| 7 | -6 |
| 8 | -5 |
| 9 | 3 |
| 10 | 2 |
| 11 | -7 |
| 12 | -9 |
| 13 | 6 |
| 14 | 29 |
| 15 | 42 |
| 16 | 25 |
| 17 | 12 |
| 18 | 49 |
| 19 | 71 |
| 20 | -26 |
| 21 | -198 |
| 22 | -248 |
| 23 | -176 |
| 24 | -226 |
| 25 | -456 |
| 26 | -456 |
| 27 | 68 |
| 28 | 622 |
| 29 | 692 |
| 30 | 694 |
| 31 | 1224 |
| 32 | 1637 |
| 33 | 817 |
| 34 | -1064 |
| 35 | -2996 |
| 36 | -4686 |
| 37 | -6860 |
| 38 | -9552 |
| 39 | -10808 |
| 40 | -7816 |
| 41 | -33 |
| 42 | 10534 |
| 43 | 24816 |
| 44 | 48032 |
| 45 | 80896 |
| 46 | 113786 |
| 47 | 140418 |
| 48 | 168927 |
| 49 | 200612 |
| 50 | 209210 |
[1,1,-1,0,4,2,-6,-5,3,2,-7,-9,6,29,42,25,12,49,71, -26,-198,-248,-176,-226,-456,-456,68,622,692,694, 1224,1637,817,-1064,-2996,-4686,-6860,-9552, -10808,-7816,-33,10534,24816,48032,80896,113786, 140418,168927,200612,209210] |