a(n) is the smallest value of m such that prod(m) = n*length(m)*sum(m) where prod(m) is the product of the digits of m, length(m) is the number of digits of m, sum(m) is the sum of the digits of m; or 0 if no such m exists.

A064022

a(n) is the smallest value of m such that prod(m) = n*length(m)*sum(m) where prod(m) is the product of the digits of m, length(m) is the number of digits of m, sum(m) is the sum of the digits of m; or 0 if no such m exists.

Terms

    a(0) =1a(1) =88a(2) =369a(3) =666a(4) =579a(5) =1899a(6) =789a(7) =2688a(8) =999a(9) =3588a(10) =0a(11) =4668a(12) =0a(13) =3789a(14) =4599a(15) =4689a(16) =0a(17) =4789a(18) =0a(19) =5788a(20) =6778a(21) =0a(22) =0a(23) =5889a(24) =35559a(25) =0a(26) =25599a(27) =35667a(28) =0a(29) =35578

External references