A289648 Number of n X 5 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 two less than the number of 0's adjacent to some 1.

0, 170, 3160, 121162, 2662095, 98170524, 2439241607, 85298181531, 2290353406298, 77037980321836, 2176569413456699, 71346369797861453, 2085490311029971908, 67240283396530142367, 2011139437400224916141, 64177327039938639669846

Offset

1,2

Comments

Column 5 of A289651.

Links

R. H. Hardin, Table of n, a(n) for n = 1..100

Example

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

Crossrefs

Cf. A289651.

Sequence in context: A250965 A250958 A031614 * A187520 A210784 A178499

Adjacent sequences: A289645 A289646 A289647 * A289649 A289650 A289651

Keyword

nonn

Author

R. H. Hardin, Jul 09 2017

Status

approved