Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 6 ones in any 4 X 4 X 4 subtriangle.
A153948
Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 6 ones in any 4 X 4 X 4 subtriangle.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =16a(4) =48a(5) =338a(6) =2112a(7) =27873a(8) =325940a(9) =7927215a(10) =173294023a(11) =7887044079a(12) =319688425834
External references
- oeis: A153948