A293100 -id:A293100 - cp's OEIS frontend

A293106 Number of 7 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

0, 2088, 202363, 25504769, 2804027631, 331401441383, 38469698642410, 4639160801369811, 553541878970691305, 67495383900522580833, 8184590699346266638663, 1005200402879395725773000

Offset: 1

R. H. Hardin, Sep 30 2017

nonn

Row 7 of A293100.

			Some solutions for n=2
..0..0. .0..1. .0..0. .0..1. .0..0. .0..0. .0..1. .0..0. .0..1. .0..1
..1..0. .0..1. .1..0. .0..0. .0..1. .0..0. .0..0. .1..1. .0..0. .1..0
..0..1. .0..1. .1..0. .0..0. .0..1. .1..0. .1..0. .1..0. .1..0. .1..0
..1..0. .1..0. .0..0. .1..1. .0..0. .1..1. .1..0. .1..0. .1..0. .0..0
..0..1. .0..0. .0..0. .0..1. .1..0. .1..0. .1..0. .1..0. .1..1. .1..1
..1..0. .0..0. .1..1. .1..0. .1..1. .0..0. .1..0. .0..0. .0..0. .0..0
..0..0. .1..0. .1..0. .0..0. .1..0. .0..1. .0..1. .0..1. .0..1. .0..1

R. H. Hardin, Table of n, a(n) for n = 1..14

Cf. A293100.

A293094 Number of n X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Original entry on oeis.org

0, 0, 48, 8088, 3125547, 5589631828, 38469698642410, 1110306381675662688

Offset: 1

R. H. Hardin, Sep 30 2017

nonn

Diagonal of A293100.

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

Cf. A293100.

cp's OEIS Frontend

A293106 Number of 7 X n 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

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