A303105 - OEIS

A303105

Number of 5Xn 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, 111, 2869, 49534, 1138331, 25372284, 568099880, 12700233541, 284202349097, 6359037680577, 142285824095768, 3183697496083230, 71236519396617958, 1593945862977398560, 35665181412067143397, 798022847623306938661

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

Row 5 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..1..0..1..0. .0..1..0..0..1. .1..0..0..1..0. .0..1..0..1..1

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