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.

A188267 Coefficient of x^n in the series 1/(1-x*F(1/2,1/2;1;16x)), where F(a1,a2;b;x) is the hypergeometric series.

Table of values

n a(n)
0 1
1 1
2 5
3 45
4 501
5 6161
6 80189
7 1082649
8 14996021
9 211674805
10 3031568597
11 43920006709
12 642265758053
13 9465144429045
14 140400306506101
15 2094220410467877
16 31387767877371013
17 472406259202624889
18 7136241394473619133
19 108153547914919084017

List of values

[1, 1, 5, 45, 501, 6161, 80189, 1082649, 14996021, 211674805, 3031568597, 43920006709, 642265758053, 9465144429045, 140400306506101, 2094220410467877, 31387767877371013, 472406259202624889, 7136241394473619133, 108153547914919084017]