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.

A381753 Expansion of exp( Sum_{k>=1} binomial(5*k-1,2*k-1) * x^k/k ).

Table of values

n a(n)
0 1
1 4
2 50
3 846
4 16495
5 349240
6 7803823
7 181135830
8 4324897697
9 105543188190
10 2620784850325
11 66005699547352
12 1682046970846570
13 43291586055360034
14 1123707191010320955
15 29382536610737191930
16 773229801368332554273
17 20463493681189771623960

List of values

[1, 4, 50, 846, 16495, 349240, 7803823, 181135830, 4324897697, 105543188190, 2620784850325, 66005699547352, 1682046970846570, 43291586055360034, 1123707191010320955, 29382536610737191930, 773229801368332554273, 20463493681189771623960]