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 A181222 Number of nX6 binary matrices with no three 1's adjacent in a line horizontally, vertically, diagonally or antidiagonally 1
 44, 1936, 34020, 845531, 21513936, 507962194, 12297765846, 298705742479, 7214603356059, 174532135006271, 4223718879095262, 102172834596986892, 2471821868183143126, 59801751244062857757, 1446764589780206695039 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A181224 LINKS R. H. Hardin, Table of n, a(n) for n=1..200 EXAMPLE Some avoided solutions for 3X6 ..0..0..0..1..1..0....0..0..0..0..1..0....1..0..1..1..1..0....0..1..0..0..0..0 ..0..0..1..0..0..0....0..0..0..0..0..0....0..0..0..0..0..0....0..0..1..1..0..0 ..0..1..0..0..0..0....0..0..1..1..1..0....0..0..0..0..0..0....0..0..0..1..0..0 CROSSREFS Sequence in context: A206992 A206934 A206869 * A188564 A207086 A207180 Adjacent sequences: A181219 A181220 A181221 * A181223 A181224 A181225 KEYWORD nonn AUTHOR R. H. Hardin Oct 10 2010 STATUS approved

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Last modified June 22 08:00 EDT 2024. Contains 373565 sequences. (Running on oeis4.)