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 A237464 Number of (n+1) X (n+1) 0..2 arrays with the maximum plus the lower median minus the upper median of every 2 X 2 subblock differing from its horizontal and vertical neighbors by exactly one. 0
 81, 2308, 143780, 21134116, 6781496755, 4700362341374, 7302593738902292, 26735744862459553294, 211398124707561970968488 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A237472. LINKS Table of n, a(n) for n=1..9. EXAMPLE Some solutions for n=3 ..0..1..0..2....1..1..0..0....0..2..0..0....1..2..2..0....1..2..2..2 ..1..0..0..2....2..2..1..0....1..2..2..1....2..0..2..1....1..2..1..1 ..1..1..1..2....2..1..2..1....1..1..0..1....0..2..1..0....0..1..2..1 ..0..0..1..0....1..2..2..1....0..1..0..2....1..2..2..2....2..2..2..0 CROSSREFS Cf. A237472. Sequence in context: A253399 A236820 A370229 * A233023 A236989 A038676 Adjacent sequences: A237461 A237462 A237463 * A237465 A237466 A237467 KEYWORD nonn AUTHOR R. H. Hardin, Feb 08 2014 STATUS approved

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Last modified September 8 02:36 EDT 2024. Contains 375749 sequences. (Running on oeis4.)