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.

A318531 Number of finite sets of set partitions of {1,...,n} such that any two have join {{1,...,n}}.

Table of values

n a(n)
1 2
2 4
3 18
4 450
5 436270

List of values

[2, 4, 18, 450, 436270]