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.

A186375 a(n) equals the sum of the squares of the expansion coefficients for (x + y + 2*z)^n.

Table of values

n a(n)
0 1
1 6
2 54
3 588
4 7110
5 91476
6 1224636
7 16849944
8 236523078
9 3371140740
10 48630906324
11 708412918824
12 10403176168476
13 153813188724552
14 2287366047735480
15 34185974267420208
16 513159651195396678
17 7732530110414488932

List of values

[1, 6, 54, 588, 7110, 91476, 1224636, 16849944, 236523078, 3371140740, 48630906324, 708412918824, 10403176168476, 153813188724552, 2287366047735480, 34185974267420208, 513159651195396678, 7732530110414488932]

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

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