Number of 4 X n arrays containing n copies of 0..4-1 with no equal vertical neighbors and new values introduced sequentially from 0.

A265234

Number of 4 X n arrays containing n copies of 0..4-1 with no equal vertical neighbors and new values introduced sequentially from 0.

Terms

    a(0) =1a(1) =43a(2) =2592a(3) =184740a(4) =14439456a(5) =1196114464a(6) =103142395392

External references