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A235964 Number of (n+1)X(n+1) 0..3 arrays colored with the upper median value of each 2X2 subblock 0

%I

%S 256,16744,872370,77914322,13646551852,4295779203418,2687792393159216,

%T 3200041068440354630

%N Number of (n+1)X(n+1) 0..3 arrays colored with the upper median value of each 2X2 subblock

%C Diagonal of A235972

%e Some solutions for n=2

%e ..1..1..0....0..2..3....0..1..1....1..0..0....3..1..2....3..0..3....2..3..0

%e ..0..0..0....0..3..1....0..2..3....3..2..0....3..2..1....0..2..3....1..1..1

%e ..0..2..2....3..1..1....0..0..3....1..3..2....1..0..0....1..0..0....0..3..2

%K nonn

%O 1,1

%A _R. H. Hardin_, Jan 17 2014

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Last modified July 31 20:24 EDT 2021. Contains 346377 sequences. (Running on oeis4.)