Number of n X n X n 0..6 triangular arrays with each element equal to the number its zero neighbors.
A197564
Number of n X n X n 0..6 triangular arrays with each element equal to the number its zero neighbors.
Terms
- a(0) =1a(1) =3a(2) =4a(3) =18a(4) =51a(5) =266a(6) =1518a(7) =11396a(8) =111218a(9) =1345019a(10) =21178437a(11) =420441727a(12) =10691248879a(13) =346431341394
External references
- oeis: A197564