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A154033
Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 2 X 2 X 2 subtriangle summing to 3.
0
10, 23, 31, 35, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27, 29, 27
OFFSET
2,1
COMMENTS
Pattern 27 29 starts at n=6 and continues through at least n=60.
EXAMPLE
Maximal zeros solution for n=6
.......0
......0.3
.....3.0.0
....0.0.3.0
...0.3.0.0.3
..3.0.0.3.0.0
CROSSREFS
Sequence in context: A054095 A125618 A341261 * A275238 A140674 A072245
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 04 2009
STATUS
approved