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) |
|---|---|
| 2 | 0 |
| 3 | -1 |
| 4 | 0 |
| 5 | 1 |
| 6 | -1 |
| 7 | 0 |
| 8 | -1 |
| 9 | 1 |
| 10 | 1 |
| 11 | 0 |
| 12 | 1 |
| 13 | -1 |
| 14 | -1 |
| 15 | -1 |
| 16 | 0 |
| 17 | -1 |
| 18 | -1 |
| 19 | -1 |
| 20 | -1 |
| 21 | 1 |
| 22 | 0 |
| 23 | 1 |
| 24 | 1 |
| 25 | -1 |
| 26 | -1 |
| 27 | -1 |
| 28 | 1 |
| 29 | 0 |
| 30 | -1 |
| 31 | -1 |
| 32 | 1 |
| 33 | 1 |
| 34 | 1 |
| 35 | -1 |
| 36 | 1 |
| 37 | 0 |
| 38 | -1 |
| 39 | 1 |
| 40 | 1 |
| 41 | -1 |
| 42 | 1 |
| 43 | -1 |
| 44 | -1 |
| 45 | 1 |
| 46 | 0 |
| 47 | 1 |
| 48 | 1 |
| 49 | -1 |
| 50 | 1 |
| 51 | -1 |
| 52 | -1 |
| 53 | -1 |
| 54 | 1 |
| 55 | -1 |
| 56 | 0 |
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