The OEIS is supported by the many generous donors to the OEIS Foundation.
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 | 5 |
| 1 | -1 |
| 2 | 3 |
| 3 | -7 |
| 4 | 11 |
| 5 | -16 |
| 6 | 33 |
| 7 | -57 |
| 8 | 99 |
| 9 | -178 |
| 10 | 318 |
| 11 | -562 |
| 12 | 1001 |
| 13 | -1782 |
| 14 | 3167 |
| 15 | -5632 |
| 16 | 10019 |
| 17 | -17817 |
| 18 | 31686 |
| 19 | -56355 |
| 20 | 100226 |
| 21 | -178248 |
| 22 | 317012 |
| 23 | -563800 |
| 24 | 1002705 |
| 25 | -1783291 |
| 26 | 3171548 |
| 27 | -5640532 |
| 28 | 10031571 |
| 29 | -17840946 |
| 30 | 31729758 |
| 31 | -56430727 |
| 32 | 100360899 |
| 33 | -178489813 |
| 34 | 317440493 |
[5,-1,3,-7,11,-16,33,-57,99,-178,318,-562,1001, -1782,3167,-5632,10019,-17817,31686,-56355,100226, -178248,317012,-563800,1002705,-1783291,3171548, -5640532,10031571,-17840946,31729758,-56430727, 100360899,-178489813,317440493] |