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.

A341535 a(n) = sqrt(Product_{1<=j,k<=n} (4*sin((2*j-1)*Pi/(2*n))^2 + 4*sin((2*k-1)*Pi/n)^2)).

Table of values

n a(n)
0 1
1 2
2 36
3 224
4 38416
5 2540032
6 4115479104
7 3044533460992
8 48656376372265216
9 387018647188487143424
10 62441634466575620320306176
11 5221063878050546380074377019392
12 8590392749565593082105293619707908096
13 7476351474500749779460880888573410601336832

List of values

[1, 2, 36, 224, 38416, 2540032, 4115479104, 3044533460992, 48656376372265216, 387018647188487143424, 62441634466575620320306176, 5221063878050546380074377019392, 8590392749565593082105293619707908096, 7476351474500749779460880888573410601336832]