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Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 1 |
| 5 | -3 |
| 6 | -13 |
| 7 | -19 |
| 8 | -26 |
| 9 | -2 |
| 10 | 115 |
| 11 | 305 |
| 12 | 591 |
| 13 | 615 |
| 14 | -880 |
| 15 | -5150 |
| 16 | -14015 |
| 17 | -23855 |
| 18 | -8895 |
| 19 | 83805 |
| 20 | 350090 |
| 21 | 827190 |
| 22 | 1013985 |
| 23 | -829725 |
| 24 | -8881795 |
| 25 | -28734355 |
| 26 | -54083980 |
| 27 | -32511130 |
| 28 | 207297335 |
| 29 | 1011859275 |
| 30 | 2580294695 |
| 31 | 3555628595 |
| 32 | -2870588790 |
| 33 | -35250085590 |
[0,1,2,1,1,-3,-13,-19,-26,-2,115,305,591,615,-880, -5150,-14015,-23855,-8895,83805,350090,827190, 1013985,-829725,-8881795,-28734355,-54083980, -32511130,207297335,1011859275,2580294695, 3555628595,-2870588790,-35250085590] |