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A183975 Half the number of (n+1)X5 0..3 arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one 0

%I #4 Mar 31 2012 12:35:55

%S 64976,2735260,124987628,6533126804,347446206704,19440886672754,

%T 1094585980533770,63025132086371298,3637470871443612084

%N Half the number of (n+1)X5 0..3 arrays with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one

%C Column 4 of A183976

%e Some solutions for 3X5

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

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

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

%e ...

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 08 2011

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Last modified March 28 12:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)