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 A237159 Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the minimum minus the upper median minus the lower median of every 2X2 subblock equal 0
 81, 997, 25705, 1470317, 162748369, 36060137413, 14858103057089, 12205719127343193, 18568986704493659401, 57651677396633858812053 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A237167 LINKS EXAMPLE Some solutions for n=3 ..2..1..0..2....0..1..1..1....2..0..0..1....1..0..2..1....0..1..0..2 ..2..1..0..2....1..0..2..2....1..1..1..2....2..1..1..2....2..1..2..0 ..1..2..1..1....2..1..1..1....1..1..1..2....1..2..0..1....1..2..1..1 ..0..1..2..2....1..2..0..0....2..0..0..1....2..1..1..0....2..1..2..2 CROSSREFS Sequence in context: A236885 A205729 A237226 * A183807 A264203 A236047 Adjacent sequences: A237156 A237157 A237158 * A237160 A237161 A237162 KEYWORD nonn AUTHOR R. H. Hardin, Feb 04 2014 STATUS approved

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Last modified February 4 04:43 EST 2023. Contains 360046 sequences. (Running on oeis4.)