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.

A239160 Number of (7+1)X(n+1) 0..3 arrays with no element equal to all horizontal neighbors or unequal to all vertical neighbors, and new values 0..3 introduced in row major order.

Table of values

n a(n)
1 1639
2 166531
3 63961519
4 18120156500
5 5469574400477
6 1628795409782566
7 486439997897622259
8 145186363056322713567
9 43339017958528994310740
10 12936602480737955657135546
11 3861570524893536530703944116

List of values

[1639, 166531, 63961519, 18120156500, 5469574400477, 1628795409782566, 486439997897622259, 145186363056322713567, 43339017958528994310740, 12936602480737955657135546, 3861570524893536530703944116]

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

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