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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.

A059944 Denominators of Maclaurin series coefficients for 2*cos(x/sqrt(3) + arctan(-sqrt(3))) = cos(x/sqrt(3)) + sqrt(3)*sin(x/sqrt(3)).

Table of values

n a(n)
0 1
1 1
2 6
3 18
4 216
5 1080
6 19440
7 136080
8 3265920
9 29393280
10 881798400
11 9699782400
12 349192166400
13 4539498163200
14 190658922854400
15 2859883842816000
16 137274424455168000
17 2333665215737856000
18 126017921649844224000

List of values

[1, 1, 6, 18, 216, 1080, 19440, 136080, 3265920, 29393280, 881798400, 9699782400, 349192166400, 4539498163200, 190658922854400, 2859883842816000, 137274424455168000, 2333665215737856000, 126017921649844224000]

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

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