A203608 - OEIS

%I #4 Mar 31 2012 12:36:57

%S 2,332,25788,1649668,98676048,5616280768,310153746516,16801526882832,

%T 897690327775816,47468771461397680,2490387212942596588

%N Number of nX6 0,1 arrays with adjacent row and column sums unequal

%C Column 6 of A203610

%e Some solutions for 4X4

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Jan 03 2012