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 A235973 Number of (n+1)X(n+1) 0..2 arrays with the upper median equal to the lower median in every 2X2 subblock 0
 39, 1473, 143183, 46727365, 45610599689, 147068094657177, 1487588729246707713, 48486777403751460298381, 5004721415407427603880128041 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A235981 LINKS EXAMPLE Some solutions for n=3 ..1..0..1..1....0..0..2..1....0..0..0..1....0..2..1..2....0..1..2..2 ..1..1..1..2....0..1..1..1....2..0..1..1....1..1..1..1....0..0..1..2 ..0..2..0..1....0..0..1..0....1..1..1..2....1..0..1..1....0..1..1..1 ..1..1..1..2....1..0..0..0....2..1..1..0....1..1..1..1....1..2..0..2 CROSSREFS Sequence in context: A009729 A078970 A020303 * A097314 A162871 A163222 Adjacent sequences:  A235970 A235971 A235972 * A235974 A235975 A235976 KEYWORD nonn AUTHOR R. H. Hardin, Jan 17 2014 STATUS approved

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Last modified October 21 20:44 EDT 2019. Contains 328315 sequences. (Running on oeis4.)