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 A278175 Number of nX6 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, 137, 4551, 205363, 9120939, 408355632, 18218081491, 813097394374, 36285966496008, 1619341940295084, 72266408849439553, 3225035964623559710, 143923783835527234449, 6422891413398861709329, 286634583241796971035956 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 6 of A278177. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=3 ..0..1..1..1..0..1. .0..0..1..0..0..1. .0..0..0..1..1..1. .0..1..1..0..1..1 ..0..0..0..0..1..1. .1..1..1..1..0..1. .1..1..0..0..0..0. .0..1..0..1..0..1 ..1..1..1..0..0..1. .1..0..0..1..0..0. .0..0..0..1..1..1. .0..1..1..0..0..1 CROSSREFS Cf. A278177. Sequence in context: A094488 A221346 A138348 * A261973 A103878 A068154 Adjacent sequences:  A278172 A278173 A278174 * A278176 A278177 A278178 KEYWORD nonn AUTHOR R. H. Hardin, Nov 13 2016 STATUS approved

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Last modified August 7 11:56 EDT 2020. Contains 336276 sequences. (Running on oeis4.)