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.

A246053 The denominator of h(n-k)*h(k)/h(n) where h(x) = zeta(2*x)*(4^x-2) and k = floor(n/2).

Table of values

n a(n)
0 2
1 2
2 7
3 62
4 381
5 365
6 1414477
7 573370
8 118518239
9 5749691557
10 274638832071
11 768018339627
12 29741482024668555
13 860983513348179
14 65053034220152267
15 1850237821952082716222
16 16555640865486520478399
17 962703047799452264039
18 29167285342563717499865628061

List of values

[2, 2, 7, 62, 381, 365, 1414477, 573370, 118518239, 5749691557, 274638832071, 768018339627, 29741482024668555, 860983513348179, 65053034220152267, 1850237821952082716222, 16555640865486520478399, 962703047799452264039, 29167285342563717499865628061]