Records in A068189 (smallest number k such that n = product of nonzero digits of k, or 0 if no such k exists).

A096867

Records in A068189 (smallest number k such that n = product of nonzero digits of k, or 0 if no such k exists).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =25a(10) =26a(11) =27a(12) =35a(13) =45a(14) =55a(15) =56a(16) =57a(17) =58a(18) =67a(19) =68a(20) =77a(21) =255a(22) =256a(23) =257a(24) =355a(25) =455a(26) =555a(27) =556a(28) =557a(29) =558

External references