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.

A078102 1/6 of the number of ways of 3-coloring an (n-2) X n grid.

Table of values

n a(n)
3 2
4 27
5 853
6 63267
7 11045757
8 4547477370
9 4419979346851
10 10150938472416408
11 55117503183129188479
12 707887801249881516079368
13 21511908182992495395699279579
14 1547207013442473554135873920560606
15 263429541331756165013316290711160389207

List of values

[2, 27, 853, 63267, 11045757, 4547477370, 4419979346851, 10150938472416408, 55117503183129188479, 707887801249881516079368, 21511908182992495395699279579, 1547207013442473554135873920560606, 263429541331756165013316290711160389207]

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

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