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.

A245155 E.g.f.: (cosh(3*x) + sinh(3*x)*cosh(x)) / (cosh(x) - sinh(x)*cosh(3*x)).

Table of values

n a(n)
0 1
1 4
2 16
3 100
4 832
5 8644
6 107776
7 1567780
8 26063872
9 487466884
10 10129985536
11 231560895460
12 5774444019712
13 155997355725124
14 4538464905527296
15 141469868440031140
16 4703786933664612352
17 166172927821116399364
18 6215792183431115309056
19 245422172388559255422820

List of values

[1, 4, 16, 100, 832, 8644, 107776, 1567780, 26063872, 487466884, 10129985536, 231560895460, 5774444019712, 155997355725124, 4538464905527296, 141469868440031140, 4703786933664612352, 166172927821116399364, 6215792183431115309056, 245422172388559255422820]