Numbers whose product of prime indices equals their product of prime exponents (prime signature).

Terms

a(0) =1a(1) =2a(2) =12a(3) =36a(4) =40a(5) =112a(6) =352a(7) =832a(8) =960a(9) =1296a(10) =2176a(11) =2880a(12) =4864a(13) =5376a(14) =11776a(15) =12544a(16) =16128a(17) =29696a(18) =33792a(19) =34560a(20) =38400a(21) =63488a(22) =64000a(23) =101376a(24) =115200a(25) =143360a(26) =151552a(27) =159744a(28) =335872a(29) =479232