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A153527 Number of planar n X n X n binary triangular grids with no more than 2 ones in any 4 X 4 X 4 subtriangle. 0
1, 2, 7, 22, 56, 295, 2298, 20666, 194155, 2700996, 51521837, 1239525245, 36497293583, 1416042960537, 72342354105238, 4760390278139941, 400064661916351750 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
CROSSREFS
Sequence in context: A007344 A153536 A153564 * A153556 A323228 A348290
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2009
STATUS
approved

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Last modified June 14 07:06 EDT 2024. Contains 373393 sequences. (Running on oeis4.)