cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A226158 a(n) = 2*n*(2^n - 1)*zeta(1-n) where in the case n=0 the limit is understood, zeta(s) the Riemann zeta function.

Table of values

n a(n)
0 0
1 -1
2 -1
3 0
4 1
5 0
6 -3
7 0
8 17
9 0
10 -155
11 0
12 2073
13 0
14 -38227
15 0
16 929569
17 0
18 -28820619
19 0
20 1109652905
21 0
22 -51943281731
23 0
24 2905151042481
25 0
26 -191329672483963
27 0
28 14655626154768697
29 0
30 -1291885088448017715
31 0
32 129848163681107301953

List of values

[0, -1, -1, 0, 1, 0, -3, 0, 17, 0, -155, 0, 2073, 0, -38227, 0, 929569, 0, -28820619, 0, 1109652905, 0, -51943281731, 0, 2905151042481, 0, -191329672483963, 0, 14655626154768697, 0, -1291885088448017715, 0, 129848163681107301953]