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A153566
Number of planar n X n X n binary triangular grids with no more than 4 ones in any similarly oriented 5 X 5 X 5 subtriangle.
0
1, 2, 8, 57, 386, 1941, 28361, 697630, 24981538, 1168812802, 71029483178, 7171360955838, 1116266181380655
OFFSET
0,2
CROSSREFS
Sequence in context: A345677 A256724 A153538 * A153529 A153558 A027335
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 01 2009
STATUS
approved