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.

A221080 E.g.f.: Sum_{n>=0} Product_{k=1..n} tan((2*k-1)*x).

Table of values

n a(n)
0 1
1 1
2 6
3 92
4 2760
5 134416
6 9626976
7 952336832
8 124374587520
9 20725471027456
10 4290994105591296
11 1080503158073449472
12 325167279095248865280
13 115252343303110680580096
14 47519237579074974018134016
15 22549702636577116941673152512
16 12202485589681663721911088087040

List of values

[1, 1, 6, 92, 2760, 134416, 9626976, 952336832, 124374587520, 20725471027456, 4290994105591296, 1080503158073449472, 325167279095248865280, 115252343303110680580096, 47519237579074974018134016, 22549702636577116941673152512, 12202485589681663721911088087040]