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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | -1 |
| 2 | -7 |
| 3 | 6 |
| 4 | 20 |
| 5 | -13 |
| 6 | -34 |
| 7 | 15 |
| 8 | 53 |
| 9 | -25 |
| 10 | -91 |
| 11 | 52 |
| 12 | 135 |
| 13 | -65 |
| 14 | -180 |
| 15 | 82 |
| 16 | 253 |
| 17 | -133 |
| 18 | -343 |
| 19 | 160 |
| 20 | 449 |
| 21 | -207 |
| 22 | -603 |
| 23 | 306 |
| 24 | 780 |
| 25 | -348 |
| 26 | -979 |
| 27 | 438 |
| 28 | 1241 |
| 29 | -600 |
| 30 | -1557 |
| 31 | 703 |
| 32 | 1924 |
| 33 | -890 |
| 34 | -2375 |
| 35 | 1115 |
| 36 | 2910 |
| 37 | -1300 |
| 38 | -3535 |
| 39 | 1620 |
| 40 | 4318 |
| 41 | -1993 |
| 42 | -5198 |
| 43 | 2335 |
| 44 | 6180 |
| 45 | -2783 |
| 46 | -7420 |
[1,-1,-7,6,20,-13,-34,15,53,-25,-91,52,135,-65, -180,82,253,-133,-343,160,449,-207,-603,306,780, -348,-979,438,1241,-600,-1557,703,1924,-890,-2375, 1115,2910,-1300,-3535,1620,4318,-1993,-5198,2335, 6180,-2783,-7420] |