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.

1, 2, 8, 64, 1023, 27824, 1517143, 160069345, 32351867720, 12445823725343

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