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.

A245139 E.g.f.: (cosh(2*x) + sinh(2*x)*cosh(x)) / sqrt(1 - sinh(x)^2*sinh(2*x)^2).

Table of values

n a(n)
0 1
1 2
2 4
3 14
4 64
5 602
6 5344
7 58214
8 661504
9 9666482
10 145897984
11 2611988414
12 47548524544
13 1002692887562
14 21581168410624
15 527328466446614
16 13084553110749184
17 362312592419199842
18 10175324275879051264
19 315223836841156264814
20 9889646730551557095424
21 338833067799589889659322

List of values

[1, 2, 4, 14, 64, 602, 5344, 58214, 661504, 9666482, 145897984, 2611988414, 47548524544, 1002692887562, 21581168410624, 527328466446614, 13084553110749184, 362312592419199842, 10175324275879051264, 315223836841156264814, 9889646730551557095424, 338833067799589889659322]