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.

A337728 a(n) = (4*n+1)! * Sum_{k=0..n} 1 / (4*k+1)!.

Table of values

n a(n)
0 1
1 121
2 365905
3 6278929801
4 358652470233121
5 51516840824285500441
6 15640512874253077933887601
7 8915467710633236496186345872425
8 8755702529258688898174686554391144001
9 13878488965077362598718732163634314533105081
10 33731389859841228248933904149069928786421237268881

List of values

[1, 121, 365905, 6278929801, 358652470233121, 51516840824285500441, 15640512874253077933887601, 8915467710633236496186345872425, 8755702529258688898174686554391144001, 13878488965077362598718732163634314533105081, 33731389859841228248933904149069928786421237268881]