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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -2 |
| 2 | 1 |
| 3 | 3 |
| 4 | -3 |
| 5 | 1 |
| 6 | -7 |
| 7 | 9 |
| 8 | -5 |
| 9 | 1 |
| 10 | 26 |
| 11 | -37 |
| 12 | 25 |
| 13 | -8 |
| 14 | 1 |
| 15 | -141 |
| 16 | 210 |
| 17 | -155 |
| 18 | 60 |
| 19 | -12 |
| 20 | 1 |
| 21 | 1034 |
| 22 | -1575 |
| 23 | 1215 |
| 24 | -516 |
| 25 | 126 |
| 26 | -17 |
| 27 | 1 |
| 28 | -9693 |
| 29 | 14943 |
| 30 | -11806 |
| 31 | 5270 |
| 32 | -1426 |
| 33 | 238 |
| 34 | -23 |
| 35 | 1 |
| 36 | 111522 |
| 37 | -173109 |
| 38 | 138660 |
| 39 | -63696 |
| 40 | 18267 |
| 41 | -3417 |
| 42 | 414 |
| 43 | -30 |
| 44 | 1 |
| 45 | -1528112 |
| 46 | 2381814 |
| 47 | -1923765 |
| 48 | 899226 |
| 49 | -267084 |
| 50 | 53431 |
| 51 | -7337 |
| 52 | 675 |
| 53 | -38 |
| 54 | 1 |
[1,-2,1,3,-3,1,-7,9,-5,1,26,-37,25,-8,1,-141,210, -155,60,-12,1,1034,-1575,1215,-516,126,-17,1, -9693,14943,-11806,5270,-1426,238,-23,1,111522, -173109,138660,-63696,18267,-3417,414,-30,1, -1528112,2381814,-1923765,899226,-267084,53431, -7337,675,-38,1] |