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A251173 Number of (n+1)X(6+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 17:44:23

%S 8489391,11217458242,16266032347068,23810611569424562,

%T 34940908062684870572,51297581341690403657544,

%U 75319567891767975640548195,110595225161361819483412477313,162392718821448451663628735793036

%N Number of (n+1)X(6+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 6 of A251175

%H R. H. Hardin, <a href="/A251173/b251173.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 30 2014

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Last modified April 18 13:50 EDT 2024. Contains 371780 sequences. (Running on oeis4.)