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 A237209 Number of (n+1)X(6+1) 0..3 arrays with the upper median plus the lower median minus the minimum of every 2X2 subblock equal 1
 581660, 31758656, 1448414238, 89734494932, 4937949728725, 316488296606660, 18626989825961382, 1223575898046133510, 74470416745873430410, 4982064575627911752987, 309072249721839616418654 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 6 of A237211 LINKS R. H. Hardin, Table of n, a(n) for n = 1..21 EXAMPLE Some solutions for n=1 ..0..0..2..1..1..0..0....0..1..2..3..1..2..1....0..1..1..1..2..1..3 ..1..1..0..0..0..2..1....1..3..1..1..0..1..2....1..3..0..1..2..1..2 CROSSREFS Sequence in context: A204731 A119402 A187374 * A234226 A190682 A231253 Adjacent sequences: A237206 A237207 A237208 * A237210 A237211 A237212 KEYWORD nonn AUTHOR R. H. Hardin, Feb 05 2014 STATUS approved

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Last modified February 27 13:39 EST 2024. Contains 370375 sequences. (Running on oeis4.)