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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.

A282247 a(n) = 1/(2*n) times the number of n-colorings of the complete tripartite graph K_(k,k,k).

Table of values

n a(n)
1 0
2 0
3 1
4 66
5 9546
6 2995540
7 1569542955
8 1261871330286
9 1497794187367828
10 2511721997105517288
11 5733323495739849790485
12 17312353700125621441996450
13 67543299290149425529497170526
14 333695384900672678963632331684412
15 2052058288990669598319358806485894719

List of values

[0, 0, 1, 66, 9546, 2995540, 1569542955, 1261871330286, 1497794187367828, 2511721997105517288, 5733323495739849790485, 17312353700125621441996450, 67543299290149425529497170526, 333695384900672678963632331684412, 2052058288990669598319358806485894719]

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

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