%I A154045
%S A154045 252,1304,3408,5277,7873,6195,3852,2331,1803,1728,1968,1728,1728,1872,
%T A154045 1728,1728,1864,1728,1728,1872,1728,1728,1968,1728,1728,1872,1728,1728,
%U A154045 1864,1728,1728,1872,1728,1728,1968,1728,1728,1872,1728,1728,1864,1728
%N A154045 Number of planar triangular n X n X n nonnegative integer grids with 
               every similarly oriented 3 X 3 X 3 subtriangle summing to 5.
%C A154045 Pattern 1728 1968 1728 1728 1872 1728 1728 1864 1728 1728 1872 1728 starts 
               at n=12 and continues through at least n=55.
%e A154045 Maximal zeros solution for n=12
%e A154045 .............0
%e A154045 ............0.2
%e A154045 ...........3.0.0
%e A154045 ..........0.1.1.1
%e A154045 .........0.1.0.2.1
%e A154045 ........1.1.2.0.0.1
%e A154045 .......2.1.0.0.3.0.0
%e A154045 ......0.0.1.2.0.0.2.2
%e A154045 .....1.1.1.1.0.2.0.1.0
%e A154045 ....0.2.1.0.1.1.1.1.0.1
%e A154045 ...2.0.0.1.2.0.1.0.2.1.1
%e A154045 ..2.0.1.2.0.0.2.1.0.1.1.0
%Y A154045 Sequence in context: A024749 A024757 A046379 this_sequence A154073 A166783 
               A104679
%Y A154045 Adjacent sequences: A154042 A154043 A154044 this_sequence A154046 A154047 
               A154048
%K A154045 nonn
%O A154045 3,1
%A A154045 Ron Hardin (rhhardin(AT)att.net) Jan 04 2009