14439456domain: NAppears in sequencesT(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no equal vertical neighbors and new values introduced sequentially from 0.at n=31A265232Number of 4 X n arrays containing n copies of 0..4-1 with no equal vertical neighbors and new values introduced sequentially from 0.at n=4A265234