%I A154058
%S A154058 77,419,263,565,252,422,79,74,15,21,11,11,8,8,8,8,8,8,8,8,8,8,8,8,8,8,
               8,
%T A154058 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8
%N A154058 Number of planar triangular n X n X n nonnegative integer grids with 
               mirror symmetry about one altitude with every similarly oriented 
               4 X 4 X 4 subtriangle summing to 6.
%C A154058 Value 8 starts at n=16 and continues through at least n=60.
%e A154058 Maximal zeros solution for n=16
%e A154058 .................3
%e A154058 ................0.0
%e A154058 ...............0.3.0
%e A154058 ..............0.0.0.0
%e A154058 .............0.0.3.0.0
%e A154058 ............3.0.0.0.0.3
%e A154058 ...........0.0.0.3.0.0.0
%e A154058 ..........0.3.0.0.0.0.3.0
%e A154058 .........0.0.0.0.3.0.0.0.0
%e A154058 ........0.0.3.0.0.0.0.3.0.0
%e A154058 .......3.0.0.0.0.3.0.0.0.0.3
%e A154058 ......0.0.0.3.0.0.0.0.3.0.0.0
%e A154058 .....0.3.0.0.0.0.3.0.0.0.0.3.0
%e A154058 ....0.0.0.0.3.0.0.0.0.3.0.0.0.0
%e A154058 ...0.0.3.0.0.0.0.3.0.0.0.0.3.0.0
%e A154058 ..3.0.0.0.0.3.0.0.0.0.3.0.0.0.0.3
%Y A154058 Sequence in context: A158771 A020206 A020304 this_sequence A027574 A059047 
               A046149
%Y A154058 Adjacent sequences: A154055 A154056 A154057 this_sequence A154059 A154060 
               A154061
%K A154058 nonn
%O A154058 4,1
%A A154058 Ron Hardin (rhhardin(AT)att.net) Jan 04 2009