A284162 Number of n X 5 0..1 arrays with the number of 1's horizontally or vertically adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

10, 134, 2872, 80072, 2179255, 63520018, 1852406216, 55270158210, 1656400271264, 50135651563711, 1524221988811958, 46590358960961268, 1429160917194970783, 43992270165786177866, 1357848185549167921892, 42014950110987162854896

Offset

1,1

Comments

Column 5 of A284165.

Links

R. H. Hardin, Table of n, a(n) for n = 1..77

Example

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

Crossrefs

Cf. A284165.

Sequence in context: A223407 A203325 A324421 * A066156 A173044 A218440

Adjacent sequences: A284159 A284160 A284161 * A284163 A284164 A284165

Keyword

nonn

Author

R. H. Hardin, Mar 21 2017

Status

approved