a(n) = largest number k such that k and k * n taken together have distinct digits, or 0 if no such k exists.

A173780

a(n) = largest number k such that k and k * n taken together have distinct digits, or 0 if no such k exists.

Terms

    a(0) =0a(1) =48651a(2) =32058a(3) =23715a(4) =18654a(5) =9347a(6) =14076a(7) =12345a(8) =10836a(9) =0a(10) =0a(11) =8946a(12) =7956a(13) =9804a(14) =8469a(15) =9423a(16) =9724a(17) =9603a(18) =9603a(19) =9327a(20) =0a(21) =9765a(22) =8763a(23) =8235a(24) =9486a(25) =9781a(26) =6489a(27) =4635a(28) =8769a(29) =5832

External references