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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.

A285046 Expansion of cosh(9*arctanh(2*sqrt(x))).

Table of values

n a(n)
0 1
1 162
2 4806
3 71892
4 758214
5 6506172
6 48783900
7 332715240
8 2115552582
9 12745645484
10 73577414196
11 410265444888
12 2222886926364
13 11756568121560
14 60911288332920
15 310024235290320
16 1553692427724870

List of values

[1, 162, 4806, 71892, 758214, 6506172, 48783900, 332715240, 2115552582, 12745645484, 73577414196, 410265444888, 2222886926364, 11756568121560, 60911288332920, 310024235290320, 1553692427724870]

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

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