A293086 Number of n X 7 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

3, 2103, 246852, 28709764, 3370860734, 400400301913, 48001754870966, 5797084510052322, 704256987414278983, 85972707914136829157, 10537720695667977589004, 1296036949777139758454158

Offset

1,1

Comments

Column 7 of A293087.

Links

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

Example

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

Crossrefs

Cf. A293087.

Sequence in context: A203497 A145700 A286978 * A293099 A336910 A286715

Adjacent sequences: A293083 A293084 A293085 * A293087 A293088 A293089

Keyword

nonn

Author

R. H. Hardin, Sep 30 2017

Status

approved