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.

A361405 Number of graphs with loops on 2n unlabeled vertices with n loops.

Table of values

n a(n)
0 1
1 2
2 28
3 1408
4 580656
5 2658827456
6 146702084635392
7 98485306566812364032
8 820443196111261227164076544
9 86804253216450161933010414314819072
10 119212631345634236227720012129209606659383296
11 2166023316743980619769969171366251471253351621687457792

List of values

[1, 2, 28, 1408, 580656, 2658827456, 146702084635392, 98485306566812364032, 820443196111261227164076544, 86804253216450161933010414314819072, 119212631345634236227720012129209606659383296, 2166023316743980619769969171366251471253351621687457792]