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A184076 Number of (n+1)X5 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one 1

%I #5 Mar 31 2012 12:35:56

%S 335,578,5760,44050,360196,2628898,18149260,114306440,641511811,

%T 3199259658,14641967639,60085046104,226607593574,780635651041,

%U 2485466746310,7338252792056,20191975951936,52010906173702

%N Number of (n+1)X5 0..2 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one

%C Column 4 of A184081

%H R. H. Hardin, <a href="/A184076/b184076.txt">Table of n, a(n) for n = 1..168</a>

%e Some solutions for 3X5

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

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

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

%e ...

%e ...5..6..6..7.......2..3..2..3.......1..2..3..4.......2..2..3..4...

%e ...6..6..7..7.......3..3..3..3.......2..3..3..3.......3..2..2..3...

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 09 2011

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Last modified July 27 19:15 EDT 2024. Contains 374651 sequences. (Running on oeis4.)