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.

A121227 Number of labeled multigraphs with loops and with n edges and no vertex of degree 0.

Table of values

n a(n)
0 1
1 2
2 14
3 150
4 2210
5 41642
6 956878
7 25955630
8 811819826
9 28764498386
10 1138755852990
11 49817190098694
12 2386544217733906
13 124257113538066522
14 6986465328614267742
15 421887743219324342110
16 27231714819135144778722
17 1871047822756547798671074

List of values

[1, 2, 14, 150, 2210, 41642, 956878, 25955630, 811819826, 28764498386, 1138755852990, 49817190098694, 2386544217733906, 124257113538066522, 6986465328614267742, 421887743219324342110, 27231714819135144778722, 1871047822756547798671074]

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

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