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.

A327986 Denominators of the coefficients in the expansion of (4*sinh(sqrt(x)/2)^2*cosh(sqrt(x)))/x.

Table of values

n a(n)
0 1
1 12
2 360
3 20160
4 259200
5 239500800
6 43589145600
7 1494484992000
8 3201186852864000
9 1216451004088320000
10 11469395181404160000
11 310224200866619719680000
12 201645730563302817792000000
13 21777738900836704321536000000
14 132626429906095529318154240000000

List of values

[1, 12, 360, 20160, 259200, 239500800, 43589145600, 1494484992000, 3201186852864000, 1216451004088320000, 11469395181404160000, 310224200866619719680000, 201645730563302817792000000, 21777738900836704321536000000, 132626429906095529318154240000000]

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

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