Smallest positive integer that is n times its digit sum, or 0 if no such number exists.

Terms

a(0) =1a(1) =18a(2) =27a(3) =12a(4) =45a(5) =54a(6) =21a(7) =72a(8) =81a(9) =10a(10) =198a(11) =108a(12) =117a(13) =126a(14) =135a(15) =144a(16) =153a(17) =162a(18) =114a(19) =180a(20) =378a(21) =132a(22) =207a(23) =216a(24) =150a(25) =234a(26) =243a(27) =112a(28) =261a(29) =270