1002102domain: NAppears in sequencesAdmirable Harshad numbers such that the subtracted divisor is also a Harshad number.at n=34A109396Ternary numbers that are concatenated runs A(1)B(1)C(1)A(2)B(2)C(2)...A(k)B(k)C(k), where A(i) is a run of 1's, B(i) a run of 0's, and C(i) a run of 2's, for i = 1..k.at n=24A371105