login
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
OFFSET
1,2
COMMENTS
Column 5 of A278177.
LINKS
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: A229689 A146979 A337904 * A332910 A157722 A010959
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 13 2016
STATUS
approved