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.

A013523 Denominator of [x^(2n+1)] in the Taylor expansion arcsinh(cosec(x) - cot(x)).

Table of values

n a(n)
0 2
1 48
2 768
3 645120
4 37158912
5 81749606400
6 784796221440
7 42849873690624000
8 548478383239987200
9 63777066403145711616000
10 4285818862291391820595200
11 216862434431944426122117120000
12 8007228348256409579893555200000
13 1461479318123759876522171695104000000

List of values

[2, 48, 768, 645120, 37158912, 81749606400, 784796221440, 42849873690624000, 548478383239987200, 63777066403145711616000, 4285818862291391820595200, 216862434431944426122117120000, 8007228348256409579893555200000, 1461479318123759876522171695104000000]

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

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