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.

A309667 Number of non-isomorphic connected set-systems on up to n vertices.

Table of values

n a(n)
0 1
1 2
2 5
3 35
4 1947
5 18664537
6 12813206150464222
7 33758171486592987151274638818642016
8 1435913805026242504952006868879460423801146743462225386062178112354069599

List of values

[1, 2, 5, 35, 1947, 18664537, 12813206150464222, 33758171486592987151274638818642016, 1435913805026242504952006868879460423801146743462225386062178112354069599]

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

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