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A153540
Number of planar n X n X n binary triangular grids with no more than 6 ones in any 5 X 5 X 5 subtriangle.
0
1, 2, 8, 64, 848, 9949, 294074, 15816643, 1445464075, 209860060542
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OFFSET
0,2
LINKS
Table of n, a(n) for n=0..9.
CROSSREFS
Sequence in context:
A347012
A139679
A005640
*
A153568
A153531
A153560
Adjacent sequences:
A153537
A153538
A153539
*
A153541
A153542
A153543
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Jan 01 2009
STATUS
approved
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Last modified May 18 00:47 EDT 2024. Contains 372608 sequences. (Running on oeis4.)
