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.

A013522 Numerator of [x^(2n+1)] in the Taylor expansion sinh(cosec(x)-cotan(x))= x/2 +x^3/16 +37*x^5/3840 +137*x^7/92160 +41641*x^9/185794560 + 3887*x^11/117964800 +...

Table of values

n a(n)
0 1
1 1
2 37
3 137
4 41641
5 3887
6 241586893
7 5721418891
8 4315903789009
9 2832484672207
10 183184249105857781
11 2154299222076719401
12 1431144441595717024523
13 386845480523042818420133
14 21349170171172632123182767
15 38112676874301043070814698873
16 25659732417088795005806537367241

List of values

[1, 1, 37, 137, 41641, 3887, 241586893, 5721418891, 4315903789009, 2832484672207, 183184249105857781, 2154299222076719401, 1431144441595717024523, 386845480523042818420133, 21349170171172632123182767, 38112676874301043070814698873, 25659732417088795005806537367241]

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

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