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.

A199131 Number of nX6 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor.

Table of values

n a(n)
1 5
2 30
3 264
4 2836
5 33970
6 438502
7 5926852
8 82908094
9 1187201812
10 17307138986
11 255687902462
12 3817658150424
13 57485010058768
14 871667490461400
15 13295046323445896
16 203799010704532580
17 3137556683409570358

List of values

[5, 30, 264, 2836, 33970, 438502, 5926852, 82908094, 1187201812, 17307138986, 255687902462, 3817658150424, 57485010058768, 871667490461400, 13295046323445896, 203799010704532580, 3137556683409570358]

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

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