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.

A052579 E.g.f. (2+x+x^2)/((1-x)(1+x+x^2)).

Table of values

n a(n)
0 2
1 1
2 2
3 12
4 24
5 120
6 1440
7 5040
8 40320
9 725760
10 3628800
11 39916800
12 958003200
13 6227020800
14 87178291200
15 2615348736000
16 20922789888000
17 355687428096000
18 12804747411456000
19 121645100408832000
20 2432902008176640000

List of values

[2, 1, 2, 12, 24, 120, 1440, 5040, 40320, 725760, 3628800, 39916800, 958003200, 6227020800, 87178291200, 2615348736000, 20922789888000, 355687428096000, 12804747411456000, 121645100408832000, 2432902008176640000]

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

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