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A184668 Number of (n+1)X5 0..3 arrays with no 2X2 subblock summing to less than 6 1

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

%S 216912,88458672,30765364899,11348244616180,4110692224930359,

%T 1498459859767029015,545098899148923125052,198432026871542606565562,

%U 72218093862175663215790336,26285411777044349448747311771

%N Number of (n+1)X5 0..3 arrays with no 2X2 subblock summing to less than 6

%C Column 4 of A184673

%H R. H. Hardin, <a href="/A184668/b184668.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X5

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 19 2011

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Last modified February 23 01:10 EST 2024. Contains 370265 sequences. (Running on oeis4.)