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 A184475 1/6 the number of (n+2)X9 0..2 arrays with each 3X3 subblock containing one of one value, four of another, and four of the last 0
 559305, 645837, 747735, 878625, 1219455, 1782585, 2909367 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A184477 LINKS EXAMPLE Some solutions with a(1,1)=0 for 4X9 ..0..1..2..2..0..2..2..1..1....0..1..1..2..1..1..0..2..1 ..0..1..1..2..0..1..2..1..0....0..1..0..2..1..0..0..1..0 ..0..1..0..2..0..0..2..1..2....0..2..1..2..2..1..0..1..1 ..0..1..2..2..0..2..2..1..1....0..1..1..2..1..1..0..2..1 CROSSREFS Sequence in context: A202720 A235969 A203659 * A233916 A206194 A250534 Adjacent sequences:  A184472 A184473 A184474 * A184476 A184477 A184478 KEYWORD nonn AUTHOR R. H. Hardin Jan 15 2011 STATUS approved

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Last modified July 24 11:17 EDT 2021. Contains 346273 sequences. (Running on oeis4.)