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A237059 Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal 0

%I

%S 81,1101,32336,2913981,541432879,390167013602,355265497657777,

%T 2026030232809865339,8046892555460085940346

%N Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the upper median plus the minimum minus the lower median of every 2X2 subblock equal

%C Diagonal of A237067

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 03 2014

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Last modified January 21 01:45 EST 2022. Contains 350473 sequences. (Running on oeis4.)