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.

A001508 a(n) is the number of c-nets with n+1 vertices and 2n+2 edges, n >= 1.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 13
6 252
7 3740
8 51300
9 685419
10 9095856
11 120872850
12 1614234960
13 21697730835
14 293695935764
15 4003423965684
16 54944523689692
17 758990230992175
18 10548884795729280
19 147458773053913268
20 2072369440050644208
21 29271357456284966994

List of values

[0, 0, 0, 0, 13, 252, 3740, 51300, 685419, 9095856, 120872850, 1614234960, 21697730835, 293695935764, 4003423965684, 54944523689692, 758990230992175, 10548884795729280, 147458773053913268, 2072369440050644208, 29271357456284966994]

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

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