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.

A012835 arctan(sec(x)*tanh(x))=x-1/3!*x^3+25/5!*x^5-761/7!*x^7+42065/9!*x^9...

Table of values

n a(n)
0 1
1 -1
2 25
3 -761
4 42065
5 -3898321
6 521329705
7 -96017526281
8 23356125062945
9 -7240133620964641
10 2786977252450841785
11 -1304375789021987253401
12 729394652578427432666225
13 -480281453260247282387992561

List of values

[1, -1, 25, -761, 42065, -3898321, 521329705, -96017526281, 23356125062945, -7240133620964641, 2786977252450841785, -1304375789021987253401, 729394652578427432666225, -480281453260247282387992561]

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

Content is available under The OEIS End-User License Agreement.