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.

A279975 Number of nX6 0..1 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Original entry on oeis.org

9, 134, 2669, 50690, 887491, 14787217, 237386464, 3703836674, 56499013470, 846166990079, 12481300976351, 181756380764316, 2617908346883386, 37350611059955815, 528493982152145690, 7423498639698400616
Offset: 1

Views

Author

R. H. Hardin, Dec 24 2016

Keywords

Comments

Column 6 of A279977.

Examples

			Some solutions for n=4
..0..1..1..0..1..0. .0..1..0..1..0..0. .0..1..0..1..0..0. .0..1..0..1..1..1
..0..0..1..0..0..0. .0..1..0..1..1..0. .1..0..0..1..0..1. .1..1..0..1..0..1
..1..0..1..0..1..0. .0..0..1..0..1..1. .1..1..0..1..0..0. .0..1..1..0..1..1
..1..0..1..1..0..1. .1..0..0..0..1..0. .1..1..0..1..1..0. .1..0..1..0..0..1
		

Crossrefs

Cf. A279977.

Formula

Empirical recurrence of order 96 (see link above)