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A318212
Number of nX6 0..1 arrays with every element unequal to 1, 2, 4 or 5 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.
1
5, 46, 125, 698, 4794, 28010, 155972, 921216, 5383356, 31881211, 187710862, 1110567049, 6553672181, 38697180020, 228631932558, 1350171453512, 7975981217341, 47112503458607, 278292360138284, 1643852765729612
OFFSET
1,1
COMMENTS
Column 6 of A318214.
LINKS
EXAMPLE
Some solutions for n=5
..0..1..0..0..1..0. .0..1..1..1..1..1. .0..1..0..1..1..1. .0..0..1..0..0..1
..0..0..0..0..0..0. .0..1..0..1..0..1. .1..1..1..1..0..0. .1..0..0..0..1..1
..0..1..1..0..0..1. .0..0..0..0..1..0. .1..1..1..0..1..0. .0..0..0..1..1..0
..1..0..0..0..1..1. .1..0..0..0..0..0. .0..1..0..1..0..0. .1..1..0..0..1..1
..1..0..1..0..0..0. .0..1..0..1..0..1. .1..1..0..0..0..1. .1..0..0..1..1..0
CROSSREFS
Cf. A318214.
Sequence in context: A317861 A348786 A318550 * A096947 A042533 A355056
KEYWORD
nonn
AUTHOR
R. H. Hardin, Aug 21 2018
STATUS
approved