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A251150 Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements 0

%I #4 Nov 30 2014 11:56:08

%S 65,8407,6441563,29975340928,835576868190958,140510035307275968193,

%T 142076030393678638383737655,865077266113415921594160660031079,

%U 31698615993472306460013429967595879535805

%N Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock having the minimum of its diagonal elements greater than the absolute difference of its antidiagonal elements

%C Diagonal of A251158

%e Some solutions for n=2

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 30 2014

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Last modified April 12 16:20 EDT 2024. Contains 371635 sequences. (Running on oeis4.)