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.

A229693 Number of defective 3-colorings of an n X 7 0..2 array connected horizontally and antidiagonally with exactly two mistakes, and colors introduced in row-major 0..2 order.

Table of values

n a(n)
1 120
2 20691
3 1400413
4 75035643
5 3583403667
6 159377253183
7 6749642728251
8 275739382892979
9 10957241965280031
10 425954258229381831
11 16265054107660003947
12 611918047133484899067
13 22734198484723715670855

List of values

[120, 20691, 1400413, 75035643, 3583403667, 159377253183, 6749642728251, 275739382892979, 10957241965280031, 425954258229381831, 16265054107660003947, 611918047133484899067, 22734198484723715670855]

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

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