Number of ways n triples can sit in a row without any siblings next to each other.
A193624
Number of ways n triples can sit in a row without any siblings next to each other.
Terms
- a(0) =1a(1) =0a(2) =72a(3) =37584a(4) =53529984a(5) =152458744320
External references
- oeis: A193624