155169domain: NAppears in sequencesa(0)=0, a(1)=1, a(n) = ( (a(n-1)+a(n-2)) XOR n) + n.at n=23A182506Numbers n such that (n + digit sum of n) and (n + digit product of n) are nontrivial permutations of the digits of n.at n=13A246421