a(n) is the smallest positive integer k which has the same set of digits as n, and k is divisible by each nonzero digit of n, or -1 if no such number exists.
A390761
a(n) is the smallest positive integer k which has the same set of digits as n, and k is divisible by each nonzero digit of n, or -1 if no such number exists.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =10a(10) =1a(11) =12a(12) =1113a(13) =144a(14) =15a(15) =1116a(16) =1771a(17) =1888a(18) =1111111119a(19) =20a(20) =12a(21) =2a(22) =2232a(23) =24a(24) =-1a(25) =2226a(26) =2772a(27) =288a(28) =2222222292a(29) =30
External references
- oeis: A390761