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

A153567

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

Terms

    a(0) =1a(1) =2a(2) =8a(3) =63a(4) =638a(5) =4944a(6) =107290a(7) =4122772a(8) =252553968a(9) =22777499394

External references