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.

A320799 Number of non-isomorphic (not necessarily strict) antichains of multisets of weight n with no singletons or leaves (vertices that appear only once).

Table of values

n a(n)
0 1
1 0
2 1
3 1
4 5
5 4
6 22
7 27
8 107
9 212
10 689

List of values

[1, 0, 1, 1, 5, 4, 22, 27, 107, 212, 689]