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 A236147 Number of (n+1)X(n+1) 0..2 arrays colored with the sets of distinct values in every 2X2 subblock 0
 81, 2502, 146568, 18147240, 4851646302, 2811658914648, 3534532876367268, 9615988088073831552 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A236155 LINKS EXAMPLE Some solutions for n=3 ..1..2..0..0....1..1..2..2....0..2..0..0....1..2..2..0....1..2..0..1 ..2..1..1..1....0..1..0..0....0..2..1..1....0..2..0..1....2..1..0..0 ..0..0..1..1....2..1..0..0....2..1..1..1....2..0..1..0....0..0..0..0 ..0..0..2..1....2..2..0..2....2..2..0..1....0..1..0..2....0..1..2..0 CROSSREFS Sequence in context: A205512 A297606 A236729 * A237473 A282995 A295274 Adjacent sequences: A236144 A236145 A236146 * A236148 A236149 A236150 KEYWORD nonn AUTHOR R. H. Hardin, Jan 19 2014 STATUS approved

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Last modified March 21 16:33 EDT 2023. Contains 361408 sequences. (Running on oeis4.)