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A153552 Number of planar n X n X n binary triangular grids with no more than 3 ones in any similarly oriented 3 X 3 X 3 subtriangle. 0
1, 2, 8, 42, 430, 7658, 225975, 11631356, 1030701814, 156452829412, 40873817468453, 18360567911334693, 14174054613503947291, 18811898207306698915955, 42921569361133279517141175 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Sequence in context: A093461 A191994 A153524 * A295199 A191479 A197935
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2009
STATUS
approved

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Last modified June 19 03:10 EDT 2024. Contains 373492 sequences. (Running on oeis4.)