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.

A245153 E.g.f.: (cosh(x) + sinh(x)*cosh(3*x)) / sqrt(1 - sinh(x)^2*sinh(3*x)^2).

Table of values

n a(n)
0 1
1 1
2 1
3 28
4 109
5 1036
6 12421
7 189568
8 2377369
9 50888656
10 889772041
11 21056972608
12 463426778629
13 13171920918976
14 338302052475661
15 11024635871323648
16 331174000888419889
17 12111179923298826496
18 413871819030803915281
19 16886967133601994738688

List of values

[1, 1, 1, 28, 109, 1036, 12421, 189568, 2377369, 50888656, 889772041, 21056972608, 463426778629, 13171920918976, 338302052475661, 11024635871323648, 331174000888419889, 12111179923298826496, 413871819030803915281, 16886967133601994738688]