Number of nXnXn triangular 0..2 arrays with new values introduced in sequential zero-upwards order and exactly one 2x2x2 triangle having values all equal.
A271070
Number of nXnXn triangular 0..2 arrays with new values introduced in sequential zero-upwards order and exactly one 2x2x2 triangle having values all equal.
Terms
- a(0) =0a(1) =1a(2) =31a(3) =3192a(4) =688912a(5) =336562064a(6) =385875000312
External references
- oeis: A271070