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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.

A047692 Denominators of coefficients in Taylor series for exp(tan(x)).

Table of values

n a(n)
0 1
1 1
2 2
3 2
4 8
5 120
6 240
7 720
8 5760
9 362880
10 3628800
11 57600
12 691200
13 6227020800
14 830269440
15 261534873600
16 20922789888000
17 355687428096000
18 914624815104000
19 426824913715200
20 4742499041280000
21 51090942171709440000
22 3784514234941440000

List of values

[1, 1, 2, 2, 8, 120, 240, 720, 5760, 362880, 3628800, 57600, 691200, 6227020800, 830269440, 261534873600, 20922789888000, 355687428096000, 914624815104000, 426824913715200, 4742499041280000, 51090942171709440000, 3784514234941440000]

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

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