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.

A102436 Number of matchings of the corona L'(n) of the ladder graph L(n)=P_2 X P_n. and the complete graph K(1); in other words, L'(n) is the graph constructed from L(n) by adding for each vertex v a new vertex v' and the edge vv'.

Table of values

n a(n)
0 1
1 5
2 34
3 223
4 1469
5 9672
6 63685
7 419329
8 2761042
9 18179883
10 119704137
11 788183312
12 5189736537
13 34171448333
14 224999452834
15 1481492773799
16 9754783005797
17 64229669677144
18 422915657312253
19 2784657839576297
20 18335379997029650

List of values

[1, 5, 34, 223, 1469, 9672, 63685, 419329, 2761042, 18179883, 119704137, 788183312, 5189736537, 34171448333, 224999452834, 1481492773799, 9754783005797, 64229669677144, 422915657312253, 2784657839576297, 18335379997029650]