Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 12 |
3 | 49 |
4 | 179 |
5 | 441 |
6 | -860 |
7 | -23634 |
8 | -229246 |
9 | -1705649 |
10 | -10757370 |
11 | -57800600 |
12 | -246084657 |
13 | -551185526 |
14 | 3612960360 |
15 | 66196180728 |
16 | 641858169138 |
17 | 4911870929096 |
18 | 31792139997384 |
19 | 172691510260794 |
20 | 711428107177975 |
21 | 1066704835555530 |
22 | -18659356513414560 |
[1,3,12,49,179,441,-860,-23634,-229246,-1705649, -10757370,-57800600,-246084657,-551185526, 3612960360,66196180728,641858169138,4911870929096, 31792139997384,172691510260794,711428107177975, 1066704835555530,-18659356513414560] |