A285749 Number of n X 7 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

28, 2042, 250592, 25450414, 3020617824, 341001631140, 40895629554933, 4828422171183992, 584834466962677402, 70587405158150794666, 8620918536843418223386, 1053438370876757943161204

Offset

1,1

Comments

Column 7 of A285750.

Links

R. H. Hardin, Table of n, a(n) for n = 1..25

Example

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

Crossrefs

Cf. A285750.

Sequence in context: A263026 A294192 A202811 * A276702 A007219 A203751

Adjacent sequences: A285746 A285747 A285748 * A285750 A285751 A285752

Keyword

nonn

Author

R. H. Hardin, Apr 25 2017

Status

approved