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A237771 Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one 0

%I #4 Feb 13 2014 06:13:04

%S 81,1456,44224,2255544,331842772,117723591636,102404775087552,

%T 203849177456550610,1004253131939214737666,11987401934837625930474512,

%U 346393910212793505363317222720

%N Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one

%C Diagonal of A237779

%e Some solutions for n=3

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Feb 13 2014

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Last modified March 28 17:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)