A293092 Number of 6 X n 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.

0, 304, 31689, 1955375, 114271723, 6736259130, 400400301913, 24022615231872, 1451795434173743, 88257377665716728, 5391112388504592871, 330623156140657023518, 20344354254754073053900, 1255446507295181179756805

Offset

1,2

Comments

Row 6 of A293087.

Links

R. H. Hardin, Table of n, a(n) for n = 1..41

Example

Some solutions for n=3
..1..0..0. .0..1..1. .0..0..1. .0..0..1. .0..1..0. .1..1..0. .0..1..1
..1..1..0. .1..0..0. .1..1..0. .0..1..0. .0..0..0. .1..1..0. .0..0..0
..0..0..0. .0..1..1. .1..1..0. .1..0..1. .0..0..0. .0..0..1. .0..1..1
..0..1..0. .1..1..0. .0..0..0. .0..1..0. .1..0..1. .0..0..0. .0..0..1
..1..1..1. .0..0..0. .0..1..1. .0..0..1. .1..0..1. .1..1..1. .0..1..0
..0..0..1. .1..0..0. .0..0..0. .0..1..1. .0..0..0. .0..0..0. .1..1..1

Crossrefs

Cf. A293087.

Sequence in context: A301530 A172228 A281329 * A221117 A216260 A160577

Adjacent sequences: A293089 A293090 A293091 * A293093 A293094 A293095

Keyword

nonn

Author

R. H. Hardin, Sep 30 2017

Status

approved