A153562 Number of planar n X n X n binary triangular grids with no more than 8 ones in any similarly oriented 4 X 4 X 4 subtriangle.

1, 2, 8, 64, 1013, 31869, 1992534, 247558629, 61112555786, 29976738429513, 29217359282937611, 56584755763000220383, 217750594586406237874109, 1665025253965862500069864035, 25297866393357843671537945295440

Offset

0,2

Links

Table of n, a(n) for n=0..14.

Crossrefs

Sequence in context: A153542 A153570 A153533 * A273256 A192414 A153543

Adjacent sequences: A153559 A153560 A153561 * A153563 A153564 A153565

Keyword

nonn

Author

R. H. Hardin, Jan 01 2009

Status

approved