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A184667 Number of (n+1)X4 0..3 arrays with no 2X2 subblock summing to less than 6 1

%I #5 Mar 31 2012 12:36:00

%S 19269,2405797,266060160,30765364899,3509487618613,402221585928132,

%T 46028365937520330,5269979734803579913,603279614829234560146,

%U 69064202595023175071177,7906407074804511304606829

%N Number of (n+1)X4 0..3 arrays with no 2X2 subblock summing to less than 6

%C Column 3 of A184673

%H R. H. Hardin, <a href="/A184667/b184667.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X4

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 19 2011

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Last modified December 5 09:29 EST 2023. Contains 367589 sequences. (Running on oeis4.)