Number of planar n X n X n binary triangular grids with no more than 6 ones in any 4 X 4 X 4 subtriangle.

A153531

Number of planar n X n X n binary triangular grids with no more than 6 ones in any 4 X 4 X 4 subtriangle.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =64a(4) =848a(5) =22118a(6) =1088504a(7) =99906335a(8) =16924655106

External references