A303106 Number of 6Xn 0..1 arrays with every element equal to 1, 2, 3, 4 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero.

0, 361, 17229, 523578, 22292709, 906385523, 37220475492, 1524895247525, 62554206264579, 2565661994238856, 105233833702602217, 4316305100898465120, 177039165517795607628, 7261509407874389623218, 297840901987105112478569

Offset

1,2

Comments

Row 6 of A303102.

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..0. .0..0..0..0..0. .0..0..0..0..0
..0..0..0..1..1. .0..0..0..0..0. .0..0..0..1..0. .0..0..0..1..0
..1..0..1..1..1. .1..1..1..1..1. .0..1..0..1..1. .1..1..1..0..0
..0..1..0..0..1. .0..0..0..0..0. .0..0..1..1..0. .1..0..1..1..1
..0..1..0..1..0. .1..1..0..1..1. .1..1..0..0..1. .0..1..1..0..0
..0..0..1..0..0. .1..1..0..0..1. .1..1..1..0..0. .0..0..0..1..1

Crossrefs

Cf. A303102.

Sequence in context: A206249 A231996 A302385 * A186869 A185612 A302957

Adjacent sequences: A303103 A303104 A303105 * A303107 A303108 A303109

Keyword

nonn

Author

R. H. Hardin, Apr 18 2018

Status

approved