Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 2 ones in any 3 X 3 X 3 subtriangle.
A153912
Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 2 ones in any 3 X 3 X 3 subtriangle.
Terms
- a(0) =1a(1) =2a(2) =28586a(3) =195384a(4) =2093119a(5) =20428045a(6) =317866834a(7) =4492197059a(8) =100898111116
External references
- oeis: A153912