326124domain: NAppears in sequencesNumber of n X 3 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,3,0,1,0 for x=0,1,2,3,4.at n=8A197745Numbers n such that (n + digit sum of n) and (n + digit product of n) are nontrivial permutations of the digits of n.at n=27A246421