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Number of (n+1)X6 0..6 arrays with every 2x2 subblock summing to 12
0

%I #4 Mar 31 2012 12:35:53

%S 251991,678265,2163831,7794409,30722151,129866905,580718871,

%T 2719942729,13245504711,66684138745,345524027511

%N Number of (n+1)X6 0..6 arrays with every 2x2 subblock summing to 12

%C Column 5 of A183672

%e Some solutions for 3X6

%e ..0..6..4..4..0..0....0..6..0..3..3..5....4..0..4..0..3..2....4..4..0..3..1..6

%e ..6..0..2..2..6..6....5..1..5..4..2..2....4..4..4..4..5..2....0..4..4..5..3..2

%e ..0..6..4..4..0..0....0..6..0..3..3..5....2..2..2..2..1..4....4..4..0..3..1..6

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 06 2011