A285153 Number of 2 X n 0..1 arrays with the number of 1's horizontally or antidiagonally adjacent to some 0 one less than the number of 0's adjacent to some 1.

0, 2, 14, 58, 210, 788, 2960, 11168, 42402, 161856, 619864, 2381342, 9174202, 35432030, 137146164, 531899380, 2066518438, 8041414956, 31335774120, 122265661844, 477610788400, 1867692035114, 7310704019360, 28641893196882

Offset

1,2

Comments

Row 2 of A285152.

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..0..0..1..0. .1..1..0..1. .1..1..0..0. .0..0..0..1. .0..0..1..0
..1..0..1..0. .0..0..0..0. .0..0..0..0. .1..0..0..1. .1..0..0..0

Crossrefs

Cf. A285152.

Sequence in context: A114146 A096367 A232601 * A232370 A174704 A058738

Adjacent sequences: A285150 A285151 A285152 * A285154 A285155 A285156

Keyword

nonn

Author

R. H. Hardin, Apr 12 2017

Status

approved