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A153543
Number of planar n X n X n binary triangular grids with no more than 9 ones in any 5 X 5 X 5 subtriangle.
0
1, 2, 8, 64, 1023, 27824, 1517143, 160069345, 32351867720, 12445823725343
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..9.
CROSSREFS
Sequence in context:
A153562
A273256
A192414
*
A153571
A086789
A066537
Adjacent sequences:
A153540
A153541
A153542
*
A153544
A153545
A153546
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Jan 01 2009
STATUS
approved
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Last modified March 28 13:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)