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.

A331878 Number of (non-null) connected induced subgraphs in a right-triangular graph with n vertices on each side.

Table of values

n a(n)
1 1
2 6
3 32
4 242
5 3389
6 94204
7 5152184
8 550554052
9 114558123057
10 46273463018266
11 36187365370984792
12 54676438562307219806
13 159361336209506075254061
14 894922393831489478287443136
15 9673844907264825614989071514624
16 201139020197000279384599867300494336

List of values

[1, 6, 32, 242, 3389, 94204, 5152184, 550554052, 114558123057, 46273463018266, 36187365370984792, 54676438562307219806, 159361336209506075254061, 894922393831489478287443136, 9673844907264825614989071514624, 201139020197000279384599867300494336]

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

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