a(n) is the smallest number such that the product of its digits is n times the sum of its digits, or 0 if no such number exists.

A126789

a(n) is the smallest number such that the product of its digits is n times the sum of its digits, or 0 if no such number exists.

Terms

    a(0) =1a(1) =36a(2) =66a(3) =88a(4) =257a(5) =268a(6) =279a(7) =448a(8) =369a(9) =459a(10) =0a(11) =666a(12) =0a(13) =578a(14) =579a(15) =678a(16) =0a(17) =1689a(18) =0a(19) =2558a(20) =789a(21) =0a(22) =0a(23) =1899a(24) =13557a(25) =0a(26) =999a(27) =3477a(28) =0a(29) =2589

External references