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.

A107052 Denominators of coefficients that satisfy: 4^n = Sum_{k=0..n} c(k)*x^k for n>=0, where c(k) = A107051(k)/a(k).

Table of values

n a(n)
0 1
1 1
2 4
3 4
4 256
5 800000
6 9600000
7 7906012800000
8 129532113715200000
9 206516028134758809600000
10 2581450351684485120000000000
11 736517912438453927556570808320000000000

List of values

[1, 1, 4, 4, 256, 800000, 9600000, 7906012800000, 129532113715200000, 206516028134758809600000, 2581450351684485120000000000, 736517912438453927556570808320000000000]