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.

A368789 a(n) = (n+1)^2 * (n!)^3 * Sum_{k=1..n} 1/((k+1)^2 * (k!)^3).

Table of values

n a(n)
0 0
1 1
2 19
3 913
4 91301
5 16434181
6 4831649215
7 2164578848321
8 1402647093712009
9 1262382384340808101
10 1527482685052377802211
11 2419532573122966438702225
12 4906812058293375937688112301
13 12502557124531521889229310142949

List of values

[0, 1, 19, 913, 91301, 16434181, 4831649215, 2164578848321, 1402647093712009, 1262382384340808101, 1527482685052377802211, 2419532573122966438702225, 4906812058293375937688112301, 12502557124531521889229310142949]