A285157 Number of 6 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

0, 950, 42176, 2446130, 133021570, 7586120602, 440991447842, 26071592935186, 1558862253694926, 93999167152474650, 5705081093219095286, 348057953640435986490, 21324734520562429889518, 1311153858462897839643592

Offset

1,2

Comments

Row 6 of A285152.

Links

R. H. Hardin, Table of n, a(n) for n = 1..41

Example

Some solutions for n=3
..0..1..1. .1..0..0. .0..1..0. .0..1..1. .1..0..0. .1..0..0. .1..1..1
..0..1..0. .1..0..1. .1..1..0. .0..1..0. .0..0..1. .1..1..1. .0..1..0
..0..1..0. .0..1..0. .1..1..1. .1..0..0. .1..0..1. .0..0..0. .1..1..1
..1..1..0. .1..0..1. .0..1..0. .1..1..0. .1..0..0. .0..0..1. .0..1..0
..1..0..0. .0..1..0. .1..1..1. .0..0..1. .0..0..0. .0..1..1. .0..1..0
..1..1..1. .0..1..0. .0..1..0. .1..1..0. .0..1..0. .0..1..0. .1..1..0

Crossrefs

Cf. A285152.

Sequence in context: A013532 A108896 A260174 * A096954 A048267 A251677

Adjacent sequences: A285154 A285155 A285156 * A285158 A285159 A285160

Keyword

nonn

Author

R. H. Hardin, Apr 12 2017

Status

approved