Numbers that are the product of their digits raised to positive integer powers.

Terms

a(0) =1a(1) =2a(2) =3a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =9a(9) =128a(10) =135a(11) =175a(12) =384a(13) =432a(14) =672a(15) =735a(16) =1296a(17) =1715a(18) =6144a(19) =6912a(20) =13824a(21) =18432a(22) =23328a(23) =34992a(24) =82944a(25) =93312a(26) =131712a(27) =248832a(28) =442368a(29) =1492992