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.

A285044 Expansion of cosh(5*arctanh(2*sqrt(x))).

Table of values

n a(n)
0 1
1 50
2 550
3 4020
4 24710
5 138012
6 725340
7 3655080
8 17859270
9 85230860
10 399257716
11 1842353240
12 8396404380
13 37868584600
14 169278679800
15 750923914320
16 3308947546950
17 14495583969900
18 63172016823300
19 274031830241400
20 1183780040663220

List of values

[1, 50, 550, 4020, 24710, 138012, 725340, 3655080, 17859270, 85230860, 399257716, 1842353240, 8396404380, 37868584600, 169278679800, 750923914320, 3308947546950, 14495583969900, 63172016823300, 274031830241400, 1183780040663220]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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