Number of planar n X n X n binary triangular grids with no more than 3 ones in any similarly oriented 4 X 4 X 4 subtriangle.

A153557

Number of planar n X n X n binary triangular grids with no more than 3 ones in any similarly oriented 4 X 4 X 4 subtriangle.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =42a(4) =176a(5) =1746a(6) =27983a(7) =630889a(8) =18492283a(9) =877780369a(10) =63669637114

External references