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.

A280791 E.g.f. A(x) satisfies: A( tan( A( tanh(x) ) ) ) = x.

Table of values

n a(n)
1 1
2 4
3 400
4 5364800
5 -367374176000
6 143449000888960000
7 -181899009894595069440000
8 627436681283593072503040000000
9 -5107564746905573153364013194240000000
10 88171417366157389105207649269976371200000000
11 -2969272543655823399308577388625291953035264000000000
12 182441297602875422577046590572630481727347923066880000000000

List of values

[1, 4, 400, 5364800, -367374176000, 143449000888960000, -181899009894595069440000, 627436681283593072503040000000, -5107564746905573153364013194240000000, 88171417366157389105207649269976371200000000, -2969272543655823399308577388625291953035264000000000, 182441297602875422577046590572630481727347923066880000000000]

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

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