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A154047
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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 5.
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0
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42, 191, 108, 203, 80, 166, 44, 95, 35, 82, 35, 88, 35, 82, 35, 88, 35, 82, 35, 88, 35, 82, 35, 88, 35, 82, 35, 88, 35, 82, 35, 88, 35, 82, 35, 88, 35, 82, 35, 88, 35, 82, 35, 88, 35, 82, 35, 88, 35, 82, 35, 88, 35, 82, 35, 88, 35
(list; graph; refs; listen; history; internal format)
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OFFSET
| 4,1
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COMMENTS
| Pattern 35 82 35 88 starts at n=12 and continues through at least n=60.
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EXAMPLE
| Maximal zeros solution for n=12
.............3
............0.0
...........0.2.0
..........0.0.0.0
.........2.0.1.0.2
........0.0.1.1.0.0
.......0.2.0.0.0.2.0
......0.0.0.1.1.0.0.0
.....2.0.1.0.1.0.1.0.2
....0.0.1.1.0.0.1.1.0.0
...0.2.0.0.0.2.0.0.0.2.0
..0.0.0.1.1.0.0.1.1.0.0.0
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CROSSREFS
| Sequence in context: A115130 A116871 A158484 * A090198 A008446 A122232
Adjacent sequences: A154044 A154045 A154046 * A154048 A154049 A154050
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KEYWORD
| nonn
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AUTHOR
| R. H. Hardin (rhhardin(AT)att.net) Jan 04 2009
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