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 A237455 Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the lower median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 0
 81, 1376, 27915, 594190, 14411725, 459648432, 15211412806, 474413628922, 17502385423626 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A237463 LINKS EXAMPLE Some solutions for n=3 ..1..1..2..2....2..2..0..2....2..1..1..1....0..1..2..2....1..1..2..0 ..1..0..1..2....2..1..1..0....0..1..0..0....0..0..0..1....0..1..0..1 ..0..1..1..0....1..1..0..0....2..0..1..2....2..1..1..1....2..1..1..0 ..0..2..0..2....1..1..2..1....1..2..0..2....1..1..0..2....0..0..0..2 CROSSREFS Sequence in context: A059977 A231912 A116205 * A253488 A236738 A236801 Adjacent sequences:  A237452 A237453 A237454 * A237456 A237457 A237458 KEYWORD nonn AUTHOR R. H. Hardin, Feb 08 2014 STATUS approved

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Last modified October 16 13:32 EDT 2019. Contains 328093 sequences. (Running on oeis4.)