Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 13 ones in any 5 X 5 X 5 subtriangle.
A154001
Number of planar n X n X n binary triangular grids with mirror symmetry about one altitude with no more than 13 ones in any 5 X 5 X 5 subtriangle.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =16a(4) =64a(5) =508a(6) =4054a(7) =64383a(8) =1024957a(9) =32457661a(10) =1032121857a(11) =65351102113
External references
- oeis: A154001