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A223147 Number of nX5 0..2 arrays with no more than floor(nX5/2) elements equal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..2 order 1
24, 990, 23376, 1753639, 35160014, 2829178640, 57855419616, 4836446707793, 101866996330559, 8702834137106991, 187759794261834710, 16250488781543733341, 356862837288707460939, 31136852536742130487995 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A223149

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..21

EXAMPLE

Some solutions for n=3

..0..1..1..1..0....0..1..0..1..0....0..1..0..2..1....0..1..2..0..0

..2..2..0..2..1....0..2..1..2..1....2..0..0..2..2....2..0..1..2..0

..1..0..1..0..2....1..0..1..1..2....0..2..1..0..1....1..0..0..0..1

CROSSREFS

Sequence in context: A006175 A058810 A265872 * A272551 A222933 A222384

Adjacent sequences:  A223144 A223145 A223146 * A223148 A223149 A223150

KEYWORD

nonn

AUTHOR

R. H. Hardin Mar 16 2013

STATUS

approved

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Last modified April 1 10:33 EDT 2020. Contains 333159 sequences. (Running on oeis4.)