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.

A202520 Denominator of [x^(4n+2)] in the Taylor series log(cosec(x)*sinh(x))= x^2/3 +2*x^6/2835 +2*x^10/467775 +4*x^14/127702575 +...

Table of values

n a(n)
0 3
1 2835
2 467775
3 127702575
4 350813659321125
5 147926426347074375
6 144228265688397515625
7 84913182070036240111050234375
8 206217727884373725983979140625
9 45665884751355139750522260795703125
10 48463572986198162681964482985158015982421875
11 176412350932310924219767245054034888177646484375

List of values

[3, 2835, 467775, 127702575, 350813659321125, 147926426347074375, 144228265688397515625, 84913182070036240111050234375, 206217727884373725983979140625, 45665884751355139750522260795703125, 48463572986198162681964482985158015982421875, 176412350932310924219767245054034888177646484375]

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

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