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

A265243

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

Terms

    a(0) =1a(1) =68a(2) =4716a(3) =359172a(4) =29189088a(5) =2481226704a(6) =217953360768

External references