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A251521 Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to 2 3 4 5 6 7 8 9 or 10 1

%I #4 Dec 03 2014 18:38:28

%S 13963994,48535019898,168458473890432,584773855532345166,

%T 2029918047045095062378,7046435245694049581482520,

%U 24460221909493826465525198486,84908530193767930618352080917842

%N Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock summing to 2 3 4 5 6 7 8 9 or 10

%C Column 5 of A251524

%H R. H. Hardin, <a href="/A251521/b251521.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=1

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_, Dec 03 2014

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Last modified April 24 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)