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A278156
Number of nX7 0..1 arrays with every element both equal and not equal to some elements at offset (-1,-1) (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero.
1
0, 859, 77102, 7404889, 736017223, 73654449669, 7332741364328, 730168696119876, 72720692813101842, 7242547316810715720, 721305315619197154090, 71836875811771995363258, 7154445488017757277489605
OFFSET
1,2
COMMENTS
Column 7 of A278157.
LINKS
EXAMPLE
Some solutions for n=3
..0..1..1..1..0..0..0. .0..0..0..0..1..0..0. .0..1..1..0..0..0..0
..0..1..0..1..1..1..1. .1..0..1..0..1..1..1. .0..0..1..0..1..0..1
..0..0..0..1..1..0..0. .1..1..1..0..0..0..0. .1..1..0..1..1..1..1
CROSSREFS
Cf. A278157.
Sequence in context: A183628 A187281 A108822 * A249461 A292626 A115749
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 13 2016
STATUS
approved