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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 1 |
| 5 | -1 |
| 6 | 4 |
| 7 | 1 |
| 8 | -4 |
| 9 | 9 |
| 10 | -1 |
| 11 | -9 |
| 12 | 15 |
| 13 | -7 |
| 14 | -15 |
| 15 | 20 |
| 16 | -15 |
| 17 | -20 |
| 18 | 23 |
| 19 | -28 |
| 20 | -23 |
| 21 | 23 |
| 22 | -43 |
| 23 | -23 |
| 24 | 20 |
| 25 | -61 |
| 26 | -20 |
| 27 | 11 |
| 28 | -80 |
| 29 | -11 |
| 30 | -2 |
| 31 | -100 |
| 32 | 2 |
| 33 | -21 |
| 34 | -119 |
| 35 | 21 |
| 36 | -46 |
| 37 | -137 |
| 38 | 46 |
| 39 | -76 |
| 40 | -151 |
| 41 | 76 |
| 42 | -111 |
| 43 | -162 |
| 44 | 111 |
| 45 | -150 |
| 46 | -167 |
| 47 | 150 |
| 48 | -194 |
| 49 | -167 |
| 50 | 194 |
| 51 | -240 |
| 52 | -161 |
| 53 | 240 |
| 54 | -289 |
| 55 | -147 |
| 56 | 289 |
| 57 | -339 |
| 58 | -125 |
| 59 | 339 |
| 60 | -389 |
| 61 | -95 |
| 62 | 389 |
[0,0,0,1,1,-1,4,1,-4,9,-1,-9,15,-7,-15,20,-15,-20, 23,-28,-23,23,-43,-23,20,-61,-20,11,-80,-11,-2, -100,2,-21,-119,21,-46,-137,46,-76,-151,76,-111, -162,111,-150,-167,150,-194,-167,194,-240,-161, 240,-289,-147,289,-339,-125,339,-389,-95,389] |