A302968 Number of 5Xn 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

16, 512, 4527, 49521, 493132, 5122000, 52646395, 540681182, 5569126817, 57254087318, 589032216747, 6059464681577, 62328319647566, 641176141999092, 6595539320186789, 67846561446192118, 697921529912134766

Offset

1,1

Comments

Row 5 of A302965.

Links

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

Example

Some solutions for n=5
..0..0..0..1..0. .0..0..0..1..0. .0..0..0..0..1. .0..0..0..0..1
..1..1..1..1..1. .1..1..0..1..1. .0..1..1..1..0. .1..1..1..0..0
..0..0..1..0..0. .1..1..0..1..0. .1..0..0..1..1. .0..0..1..0..0
..0..1..1..0..1. .1..1..0..1..1. .1..0..1..0..0. .0..1..1..0..1
..1..0..0..0..0. .0..1..0..0..0. .0..1..1..1..0. .1..1..0..1..1

Crossrefs

Cf. A302965.

Sequence in context: A291852 A301845 A302269 * A302072 A302811 A303472

Adjacent sequences: A302965 A302966 A302967 * A302969 A302970 A302971

Keyword

nonn

Author

R. H. Hardin, Apr 16 2018

Status

approved