a(n) is the smallest composite number having the same base-n digits (both type and quantity) as its prime factors (with multiplicity).

A281336

a(n) is the smallest composite number having the same base-n digits (both type and quantity) as its prime factors (with multiplicity).

Terms

    a(0) =159a(1) =7847a(2) =1135a(3) =83494a(4) =57a(5) =30057a(6) =85a(7) =72646a(8) =1255a(9) =18193a(10) =185a(11) =101212405a(12) =4119a(13) =63791a(14) =88357a(15) =31054582a(16) =489a(17) =4196517a(18) =451a(19) =4598494a(20) =13315a(21) =1012985a(22) =679a(23) =7009758597a(24) =26533a(25) =2884373a(26) =985a(27) =646372334a(28) =1057a(29) =989775393

External references