A302969 Number of 6Xn 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.

32, 2048, 24602, 395493, 5602382, 83644490, 1233435694, 18159869483, 268409524880, 3957450379702, 58402548130271, 861812274348049, 12715310968740330, 187629366615561495, 2768525577015049111

Offset

1,1

Comments

Row 6 of A302965.

Links

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

Example

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

Crossrefs

Cf. A302965.

Sequence in context: A291826 A302270 A301846 * A302073 A302812 A303473

Adjacent sequences: A302966 A302967 A302968 * A302970 A302971 A302972

Keyword

nonn

Author

R. H. Hardin, Apr 16 2018

Status

approved