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.

A287231 Number of matchings in the n-triangular graph.

Table of values

n a(n)
2 1
3 4
4 51
5 2460
6 513619
7 509709696
8 2590569730617
9 71972142178289680
10 11572569464349559854105
11 11332749125368045400133079296
12 70775590368575601248957366910425851
13 2939823814188321813975498471683171002746816
14 844162736935477006294039214093750952242356035727995
15 1736712038520659436678773853448507425382701807453031820800000

List of values

[1, 4, 51, 2460, 513619, 509709696, 2590569730617, 71972142178289680, 11572569464349559854105, 11332749125368045400133079296, 70775590368575601248957366910425851, 2939823814188321813975498471683171002746816, 844162736935477006294039214093750952242356035727995, 1736712038520659436678773853448507425382701807453031820800000]