a(n) is the smallest integer that has exactly n divisors whose decimal digits are in strictly decreasing order.

A358100

a(n) is the smallest integer that has exactly n divisors whose decimal digits are in strictly decreasing order.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =6a(4) =12a(5) =20a(6) =30a(7) =40a(8) =80a(9) =60a(10) =252a(11) =120a(12) =240a(13) =540a(14) =360a(15) =630a(16) =420a(17) =960a(18) =1440a(19) =840a(20) =1260a(21) =2880a(22) =3360a(23) =4320a(24) =2520a(25) =6720a(26) =5040a(27) =8640a(28) =10080a(29) =15120

External references