A301329 - OEIS

A301329

Number of nX7 0..1 arrays with every element equal to 0, 2, 3, 5 or 6 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.

1, 74, 233, 1481, 12342, 116017, 1127238, 10358770, 99285038, 951443834, 9118398723, 87376167697, 838801678021, 8052272674884, 77282827536984, 741896624666655, 7121971581778832, 68368161278124079, 656316743273906918

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

OFFSET

1,2

COMMENTS

Column 7 of A301330.

LINKS

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

EXAMPLE

Some solutions for n=5

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

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

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