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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 2 |
| 3 | 2 |
| 4 | 3 |
| 5 | 3 |
| 6 | 2 |
| 7 | 4 |
| 8 | 5 |
| 9 | 0 |
| 10 | 4 |
| 11 | 13 |
| 12 | -7 |
| 13 | -7 |
| 14 | 48 |
| 15 | -16 |
| 16 | -93 |
| 17 | 180 |
| 18 | 74 |
| 19 | -584 |
| 20 | 517 |
| 21 | 1111 |
| 22 | -2850 |
| 23 | 207 |
| 24 | 8281 |
| 25 | -10738 |
| 26 | -11740 |
| 27 | 46967 |
| 28 | -22167 |
| 29 | -115845 |
| 30 | 211052 |
| 31 | 94468 |
| 32 | -766989 |
| 33 | 660110 |
| 34 | 1554938 |
| 35 | -3983408 |
| 36 | 121429 |
| 37 | 12272689 |
| 38 | -15692006 |
| 39 | -18841086 |
| 40 | 72792247 |
| 41 | -31828764 |
[1,2,2,2,3,3,2,4,5,0,4,13,-7,-7,48,-16,-93,180,74, -584,517,1111,-2850,207,8281,-10738,-11740,46967, -22167,-115845,211052,94468,-766989,660110, 1554938,-3983408,121429,12272689,-15692006, -18841086,72792247,-31828764] |