A285029 Number of n X 7 0..1 arrays with the number of 1's horizontally, antidiagonally or vertically adjacent to some 0 one less than the number of 0's adjacent to some 1.

28, 1578, 256732, 22043878, 3064900470, 305391845288, 40651048407879, 4417815478017558, 572137146947057359, 65494200478482713286, 8342393878477796934994, 986183272505897296786724

Offset

1,1

Comments

Column 7 of A285030.

Links

R. H. Hardin, Table of n, a(n) for n = 1..31

Example

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

Crossrefs

Cf. A285030.

Sequence in context: A209265 A042515 A042512 * A163033 A060335 A335371

Adjacent sequences: A285026 A285027 A285028 * A285030 A285031 A285032

Keyword

nonn

Author

R. H. Hardin, Apr 08 2017

Status

approved