a(n) = smallest number whose digit product equals n!/m where m is the product of all prime factors > 7 of n! (with multiplicity).

A067106

a(n) = smallest number whose digit product equals n!/m where m is the product of all prime factors > 7 of n! (with multiplicity).

Terms

    a(0) =1a(1) =2a(2) =6a(3) =38a(4) =358a(5) =2589a(6) =25789a(7) =257889a(8) =2578899a(9) =45578899a(10) =45578899a(11) =556788899a(12) =556788899a(13) =25567788899a(14) =455577888999

External references