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.

A289445 a(n) = number of similarity classes of groups G with exactly n subgroups and such that G = G-tilde, where G-tilde is the unique subgroup of G left after factoring out the cyclic, central Sylow subgroups.

Table of values

n a(n)
1 1
2 0
3 0
4 0
5 1
6 3
7 0
8 4
9 0
10 8
11 3
12 4

List of values

[1, 0, 0, 0, 1, 3, 0, 4, 0, 8, 3, 4]

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

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