%I A154046
%S A154046 4,14,23,19,11,38,9,12,11,4,7,10,7,4,7,10,7,4,7,10,7,4,7,10,7,4,7,10,7,
               4,
%T A154046 7,10,7,4,7,10,7,4,7,10,7,4,7,10,7,4,7,10,7,4,7,10,7,4,7,10,7
%N A154046 Number of planar triangular n X n X n nonnegative integer grids symmetric 
               under 120 degree rotation with every similarly oriented 4 X 4 X 4 
               subtriangle summing to 5.
%C A154046 Pattern 4 7 10 7 starts at n=13 and continues through at least n=60.
%e A154046 Maximal zeros solution for n=13
%e A154046 ..............2
%e A154046 .............0.0
%e A154046 ............0.1.0
%e A154046 ...........0.1.1.0
%e A154046 ..........2.0.0.0.2
%e A154046 .........0.0.1.1.0.0
%e A154046 ........0.1.0.1.0.1.0
%e A154046 .......0.1.1.0.0.1.1.0
%e A154046 ......2.0.0.0.2.0.0.0.2
%e A154046 .....0.0.1.1.0.0.1.1.0.0
%e A154046 ....0.1.0.1.0.1.0.1.0.1.0
%e A154046 ...0.1.1.0.0.1.1.0.0.1.1.0
%e A154046 ..2.0.0.0.2.0.0.0.2.0.0.0.2
%Y A154046 Sequence in context: A051806 A034051 A044437 this_sequence A000054 A063616 
               A031254
%Y A154046 Adjacent sequences: A154043 A154044 A154045 this_sequence A154047 A154048 
               A154049
%K A154046 nonn
%O A154046 4,1
%A A154046 Ron Hardin (rhhardin(AT)att.net) Jan 04 2009