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.

A061543 Number of connected labeled graphs with n nodes and n+4 edges.

Table of values

n a(n)
1 0
2 0
3 0
4 0
5 10
6 2997
7 343140
8 28044072
9 1969994376
10 128916045720
11 8189607254829
12 516895556463000
13 32865110582830812
14 2123144102136625568
15 140115162250240202025
16 9478591551140049252096
17 658706750876277003711720
18 47086655712339052407435264
19 3464805563040942592258054518

List of values

[0, 0, 0, 0, 10, 2997, 343140, 28044072, 1969994376, 128916045720, 8189607254829, 516895556463000, 32865110582830812, 2123144102136625568, 140115162250240202025, 9478591551140049252096, 658706750876277003711720, 47086655712339052407435264, 3464805563040942592258054518]

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

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