3720888domain: NAppears in sequencesNumber of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,1,3,4 for x=0,1,2,3,4.at n=15A195976Number of length 4+5 0..n arrays with some three disjoint pairs in each consecutive six terms having the same sum.at n=22A248493