Number of planar n X n X n binary triangular grids with no more than 9 ones in any similarly oriented 4 X 4 X 4 subtriangle.

A153563

Number of planar n X n X n binary triangular grids with no more than 9 ones in any similarly oriented 4 X 4 X 4 subtriangle.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =64a(4) =1023a(5) =32677a(6) =2085852a(7) =266072543a(8) =67825229274

External references