Smallest nontrivial multiple of n whose nonzero digit product is the same as that of the nonzero digit product of n. By nontrivial one means a(n) is not equal to n or (10^k)*n. 0 if no such number exists.
A087304
Smallest nontrivial multiple of n whose nonzero digit product is the same as that of the nonzero digit product of n. By nontrivial one means a(n) is not equal to n or (10^k)*n. 0 if no such number exists.
Terms
- a(0) =11a(1) =12a(2) =1113a(3) =104a(4) =15a(5) =132a(6) =1071a(7) =24a(8) =11133a(9) =110a(10) =1001a(11) =1020a(12) =1131a(13) =1022a(14) =105a(15) =32a(16) =1071a(17) =108a(18) =133a(19) =120a(20) =100002a(21) =1122a(22) =161a(23) =1008a(24) =125a(25) =1430a(26) =702a(27) =224a(28) =3016a(29) =11130
External references
- oeis: A087304