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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.

A001814 Coefficient of H_2 when expressing x^{2n} in terms of Hermite polynomials H_m.

Table of values

n a(n)
1 1
2 12
3 180
4 3360
5 75600
6 1995840
7 60540480
8 2075673600
9 79394515200
10 3352212864000
11 154872234316800
12 7771770303897600
13 420970891461120000
14 24481076457277440000
15 1521324036987955200000
16 100610229646136770560000

List of values

[1, 12, 180, 3360, 75600, 1995840, 60540480, 2075673600, 79394515200, 3352212864000, 154872234316800, 7771770303897600, 420970891461120000, 24481076457277440000, 1521324036987955200000, 100610229646136770560000]

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

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