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.

A242035 The numerator 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 1
1 1
2 5
3 49
4 343
5 341
6 1374230
7 562991
8 117628797
9 5722552563
10 274111769750
11 767094923209
12 29727071936873882
13 860722536439030
14 65045120396044500
15 1850097086237495825037
16 16555136396811464938269
17 962684710425111932621
18 29167062964422333027973288250

List of values

[1, 1, 5, 49, 343, 341, 1374230, 562991, 117628797, 5722552563, 274111769750, 767094923209, 29727071936873882, 860722536439030, 65045120396044500, 1850097086237495825037, 16555136396811464938269, 962684710425111932621, 29167062964422333027973288250]