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.

A327229 Number of set-systems covering n vertices with at least one endpoint/leaf.

Table of values

n a(n)
0 0
1 1
2 4
3 50
4 3069
5 2521782
6 412169726428
7 4132070622008664529903
8 174224571863520492185852863478334475199686
9 133392486801388257127953774730008469744261637221272599199572772174870315402893538

List of values

[0, 1, 4, 50, 3069, 2521782, 412169726428, 4132070622008664529903, 174224571863520492185852863478334475199686, 133392486801388257127953774730008469744261637221272599199572772174870315402893538]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.