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A278174 Number of nX5 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero. 1
0, 43, 737, 17396, 396024, 9120939, 209105063, 4797179760, 110034231906, 2523955236624, 57893739618179, 1327951316712237, 30460184207856087, 698687420488831794, 16026301711146587408, 367606943763824641516 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 5 of A278177.

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Cf. A278177.

Sequence in context: A245427 A229689 A146979 * A157722 A010959 A161668

Adjacent sequences:  A278171 A278172 A278173 * A278175 A278176 A278177

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 13 2016

STATUS

approved

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Last modified May 23 07:00 EDT 2019. Contains 323508 sequences. (Running on oeis4.)