A284227 Number of 6 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 equal to the number of 0's adjacent to some 1, with top left element zero.

32, 751, 23218, 1317770, 69938626, 3945536189, 227677212684, 13395146804734, 798088158296644, 47995267845339818, 2906776115786801739, 177031214800487853095, 10830742854736642158031, 665123041622355811314077

Offset

1,1

Comments

Row 6 of A284222.

Links

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

Example

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

Crossrefs

Cf. A284222.

Sequence in context: A274754 A008789 A207996 * A297371 A144135 A283695

Adjacent sequences: A284224 A284225 A284226 * A284228 A284229 A284230

Keyword

nonn

Author

R. H. Hardin, Mar 23 2017

Status

approved