Number of nX3 arrays containing 3 copies of 0..n-1 with no equal vertical neighbors and new values introduced sequentially from 0.
A265230
Number of nX3 arrays containing 3 copies of 0..n-1 with no equal vertical neighbors and new values introduced sequentially from 0.
Terms
- a(0) =1a(1) =4a(2) =56a(3) =2592a(4) =222850a(5) =29357385a(6) =5460708807
External references
- oeis: A265230