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A153523 Number of planar n X n X n binary triangular grids with no more than 2 ones in any 3 X 3 X 3 subtriangle. 0
1, 2, 7, 22, 132, 1204, 13768, 244089, 6352095, 232890454, 12491887452, 974287563383, 109587446419665, 17874622451841230, 4227153018169110373, 1447295404720506832342, 717895790307321893024403 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Sequence in context: A049369 A327697 A308548 * A153551 A125285 A170870
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2009
STATUS
approved

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Last modified May 27 13:56 EDT 2024. Contains 372861 sequences. (Running on oeis4.)