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A251171 Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements 1

%I #4 Nov 30 2014 17:43:08

%S 100462,17822017,3387331664,648299061766,124211482822101,

%T 23810611569424562,4564338162026063711,874976613125754162367,

%U 167731165638773364886922,32153762102058112167343144

%N Number of (n+1)X(4+1) 0..3 arrays with no 2X2 subblock having the minimum of its diagonal elements less than the absolute difference of its antidiagonal elements

%C Column 4 of A251175

%H R. H. Hardin, <a href="/A251171/b251171.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 30 2014

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Last modified April 19 15:34 EDT 2024. Contains 371794 sequences. (Running on oeis4.)