Numbers k such that, in the prime factorization of k, the product of exponents equals the product of prime factors.

A054412

Numbers k such that, in the prime factorization of k, the product of exponents equals the product of prime factors.

Terms

    a(0) =1a(1) =4a(2) =27a(3) =72a(4) =108a(5) =192a(6) =800a(7) =1458a(8) =3125a(9) =5120a(10) =6272a(11) =12500a(12) =21600a(13) =30375a(14) =36000a(15) =48600a(16) =77760a(17) =84375a(18) =114688a(19) =116640a(20) =121500a(21) =138240a(22) =169344a(23) =225000a(24) =247808a(25) =337500a(26) =384000a(27) =395136a(28) =600000a(29) =653184

External references