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.

A326968 Number of set-systems on n vertices whose dual is a weak antichain.

Table of values

n a(n)
0 1
1 2
2 6
3 56
4 19446

List of values

[1, 2, 6, 56, 19446]