Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | -4 |
2 | 20 |
3 | -64 |
4 | 164 |
5 | -392 |
6 | 896 |
7 | -1920 |
8 | 3908 |
9 | -7684 |
10 | 14632 |
11 | -27072 |
12 | 48896 |
13 | -86408 |
14 | 149760 |
15 | -255104 |
16 | 427652 |
17 | -706568 |
18 | 1152020 |
19 | -1855296 |
20 | 2954056 |
21 | -4654080 |
22 | 7260288 |
23 | -11221632 |
24 | 17194496 |
25 | -26131980 |
26 | 39409960 |
27 | -59003008 |
28 | 87728640 |
29 | -129586568 |
30 | 190226176 |
31 | -277587456 |
32 | 402779396 |
33 | -581276160 |
34 | 834539560 |
35 | -1192216320 |
[1,-4,20,-64,164,-392,896,-1920,3908,-7684,14632, -27072,48896,-86408,149760,-255104,427652,-706568, 1152020,-1855296,2954056,-4654080,7260288, -11221632,17194496,-26131980,39409960,-59003008, 87728640,-129586568,190226176,-277587456, 402779396,-581276160,834539560,-1192216320] |