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.

A201990 E.g.f. satisfies: A(x) = 1/(cos(x*A(x)^2) - sin(x*A(x)^2)).

Table of values

n a(n)
0 1
1 1
2 7
3 95
4 1969
5 55201
6 1956375
7 83935039
8 4230528353
9 245059707841
10 16043680004903
11 1171567218325151
12 94415150206330641
13 8323801562833775201
14 796927800013656980791
15 82342529545666235490431
16 9132868398860301753027265
17 1082287792241161814647419265

List of values

[1, 1, 7, 95, 1969, 55201, 1956375, 83935039, 4230528353, 245059707841, 16043680004903, 1171567218325151, 94415150206330641, 8323801562833775201, 796927800013656980791, 82342529545666235490431, 9132868398860301753027265, 1082287792241161814647419265]