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A153558
Number of planar n X n X n binary triangular grids with no more than 4 ones in any similarly oriented 4 X 4 X 4 subtriangle.
0
1, 2, 8, 57, 386, 5902, 157442, 6760327, 444864808, 50253619003, 9489610137995, 2943731871028561, 1496950842394800744
(list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Table of n, a(n) for n=0..12.
CROSSREFS
Sequence in context: A153538 A153566 A153529 * A027335 A133686 A369193
Adjacent sequences: A153555 A153556 A153557 * A153559 A153560 A153561
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2009
STATUS
approved

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Last modified October 5 11:30 EDT 2024. Contains 376545 sequences.
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