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.

A215765 Number of undirected labeled graphs on n nodes with exactly 5 cycle graphs as connected components.

Table of values

n a(n)
5 1
6 15
7 140
8 1190
9 10857
10 109935
11 1222210
12 14771955
13 192855949
14 2705536834
15 40597839100
16 648954464340
17 11010645610113
18 197646020548569
19 3742573587799761
20 74560940574685875
21 1559079985774886316
22 34142131775027937276
23 781462189858194371736

List of values

[1, 15, 140, 1190, 10857, 109935, 1222210, 14771955, 192855949, 2705536834, 40597839100, 648954464340, 11010645610113, 197646020548569, 3742573587799761, 74560940574685875, 1559079985774886316, 34142131775027937276, 781462189858194371736]

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

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