%I #4 Mar 31 2012 12:35:35
%S 241,6868,85841,755947,5386897,33107075,182659489,930494139,
%T 4463499425,20442622131,90281206769,387257313995,1622131788337,
%U 6662496415651,26917106044481,107236122222363,422120504603969,1644409064133971
%N Number of slanted nX6 (i=1..n)X(j=i..6+i-1) 1..4 arrays with all 1s connected, all 2s connected, all 3s connected, all 4s connected, 1 in the upper left corner, 2 in the upper right corner, 3 in the lower left corner, and 4 in the lower right corner
%H R. H. Hardin, <a href="/A165375/b165375.txt">Table of n, a(n) for n=2..22</a>
%e One solution for n=19
%e ...1.2.2.2.2.2....................................
%e .....2.2.2.2.2.2..................................
%e .......2.2.2.2.2.2................................
%e .........2.2.2.2.2.2..............................
%e ...........2.2.2.2.2.2............................
%e .............2.2.2.2.2.2..........................
%e ...............2.2.2.2.2.2........................
%e .................2.2.2.2.2.2......................
%e ...................2.2.2.2.2.3....................
%e .....................2.2.2.3.3.3..................
%e .......................2.3.3.3.3.3................
%e .........................3.3.3.3.4.4..............
%e ...........................3.3.3.3.4.4............
%e .............................3.3.3.3.4.4..........
%e ...............................3.3.3.3.4.4........
%e .................................3.3.3.3.4.4......
%e ...................................3.3.3.3.4.4....
%e .....................................3.3.3.3.4.4..
%e .......................................3.3.3.3.4.4
%K nonn
%O 2,1
%A _R. H. Hardin_ Sep 17 2009