A153575 Number of planar n X n X n binary triangular grids with no more than 13 ones in any similarly oriented 5 X 5 X 5 subtriangle.

1, 2, 8, 64, 1024, 32752, 2094318, 267741217, 68431511177, 34967557296519, 35722557457038015, 72960515669384007174, 297921161289491832202122, 2432108336354772545286908394, 39694705789611428794588557667852

Offset

0,2

Links

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

Crossrefs

Sequence in context: A153546 A153574 A153547 * A084281 A153548 A153576

Adjacent sequences: A153572 A153573 A153574 * A153576 A153577 A153578

Keyword

nonn

Author

R. H. Hardin, Jan 01 2009

Status

approved