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.

A340293 a(n) = 4^((n-1)*n) * Product_{1<=j sin(j*Pi/(2*n+1))^2 * sin(k*Pi/(2*n+1))^2).

Table of values

n a(n)
0 1
1 1
2 11
3 1247
4 1455913
5 17511093953
6 2169916151129091
7 2770393222231417622719
8 36443188794328204864735075793
9 4939371777650229260975457785579794433
10 6897784079863728378183626237683602071537213179

List of values

[1, 1, 11, 1247, 1455913, 17511093953, 2169916151129091, 2770393222231417622719, 36443188794328204864735075793, 4939371777650229260975457785579794433, 6897784079863728378183626237683602071537213179]