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Number of n X 7 0..2 arrays with every row and column running average nondecreasing rightwards and downwards but some diagonal running average having a decrease.
0

%I #6 Apr 28 2021 12:48:45

%S 0,239,4104,62507,817653,9782242,117867542,1504100224,20036576547,

%T 268650529838,3533651482495,45103479980980,557665091509317,

%U 6693711518462620

%N Number of n X 7 0..2 arrays with every row and column running average nondecreasing rightwards and downwards but some diagonal running average having a decrease.

%C Column 7 of A201195.

%e Some solutions for n=4

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

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

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

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

%Y Cf. A201195.

%K nonn

%O 1,2

%A _R. H. Hardin_ Nov 28 2011