A286976 Number of n X 5 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.

0, 126, 3932, 123706, 3584756, 108110791, 3229944132, 98063836816, 2979455186170, 91160980841335, 2796112154318134, 86095874180805420, 2657384402642912532, 82232542990639333587, 2549783287899756993727

Offset

1,2

Comments

Column 5 of A286979.

Links

R. H. Hardin, Table of n, a(n) for n = 1..78

Example

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

Crossrefs

Cf. A286979.

Sequence in context: A086024 A285857 A036403 * A186816 A292882 A140902

Adjacent sequences: A286973 A286974 A286975 * A286977 A286978 A286979

Keyword

nonn

Author

R. H. Hardin, May 17 2017

Status

approved