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.

A144691 Limit of the coefficient of x^(2^m+n) in B(x)^(n+1)/(n+1) as m grows, where B(x) = Sum_{k>=0} x^(2^k).

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 26
5 106
6 816
7 4292
8 90162
9 715138
10 10275886
11 87498566
12 1944309280
13 20988667064
14 380829128200
15 4301687654136
16 219999839271970
17 3375111608092354
18 90438559754079802
19 1341646116200287978
20 52342848299405537114
21 921821277222438350170

List of values

[1, 1, 2, 4, 26, 106, 816, 4292, 90162, 715138, 10275886, 87498566, 1944309280, 20988667064, 380829128200, 4301687654136, 219999839271970, 3375111608092354, 90438559754079802, 1341646116200287978, 52342848299405537114, 921821277222438350170]