Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 0 |
3 | 10 |
4 | -10 |
5 | 38 |
6 | -76 |
7 | 310 |
8 | -960 |
9 | 3190 |
10 | -10672 |
11 | 37262 |
12 | -130170 |
13 | 459690 |
14 | -1639940 |
15 | 5901498 |
16 | -21376154 |
17 | 77900710 |
18 | -285457200 |
19 | 1051118590 |
20 | -3887169486 |
21 | 14431323506 |
22 | -53766825940 |
23 | 200964040290 |
24 | -753348868380 |
25 | 2831669141514 |
26 | -10670007388128 |
[1,2,0,10,-10,38,-76,310,-960,3190,-10672,37262, -130170,459690,-1639940,5901498,-21376154, 77900710,-285457200,1051118590,-3887169486, 14431323506,-53766825940,200964040290, -753348868380,2831669141514,-10670007388128] |