|
%I #6 Mar 31 2012 12:36:00
%S 212898,11826498,657272274,36516002466,2028771948738,112716440618754,
%T 6262392708237282,347931154681020162,19330646430657483138,
%U 1073988006377144941794,59669511826707277139106
%N Number of (n+2)X3 0..3 arrays with each 3X3 subblock nonsingular
%C Column 1 of A184652
%H R. H. Hardin, <a href="/A184650/b184650.txt">Table of n, a(n) for n = 1..200</a>
%e Some solutions for 4X3
%e ..0..0..2....0..0..2....0..0..2....0..0..2....0..0..2....0..0..2....0..0..2
%e ..2..2..0....3..2..2....0..1..1....1..1..0....1..3..2....2..3..2....0..1..1
%e ..0..2..3....1..2..1....1..1..3....1..2..2....3..0..0....1..1..3....1..0..0
%e ..1..2..3....2..1..0....1..2..0....1..1..2....3..1..2....2..0..0....0..2..1
%K nonn
%O 1,1
%A _R. H. Hardin_ Jan 19 2011
| 