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.

A099090 a(n) = A004491(n)/2^(2n+1).

Table of values

n a(n)
0 1
1 1
2 28
3 42386176
4 193887869660028067003488010240

List of values

[1, 1, 28, 42386176, 193887869660028067003488010240]