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 A236270 Number of (n+1)X(n+1) 0..2 arrays with the upper median unequal to the lower median in every 2X2 subblock 0
 42, 1770, 232736, 98027150, 130035577996, 547421266314876, 7256435693960552708, 303476498154185022737026, 39925368786070957735567191914 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A236278 LINKS EXAMPLE Some solutions for n=2 ..2..1..1....2..2..1....0..1..2....1..2..0....0..1..0....2..0..1....0..2..0 ..1..2..2....1..0..0....2..0..0....1..2..1....1..0..1....2..1..0....2..1..0 ..0..0..0....2..2..2....0..2..2....2..0..2....2..0..2....2..0..1....0..0..2 CROSSREFS Sequence in context: A208077 A009986 A041841 * A216703 A258393 A187365 Adjacent sequences:  A236267 A236268 A236269 * A236271 A236272 A236273 KEYWORD nonn AUTHOR R. H. Hardin, Jan 21 2014 STATUS approved

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Last modified June 19 20:06 EDT 2021. Contains 345144 sequences. (Running on oeis4.)