Numbers of the form p^4*q^5 where p and q are two distinct primes.

Terms

a(0) =2592a(1) =3888a(2) =20000a(3) =50000a(4) =76832a(5) =151875a(6) =253125a(7) =268912a(8) =468512a(9) =583443a(10) =913952a(11) =1361367a(12) =2576816a(13) =2672672a(14) =3557763a(15) =4170272a(16) =5940688a(17) =6940323a(18) =7503125a(19) =8954912a(20) =10504375a(21) =13045131a(22) =20295603a(23) =22632992a(24) =22717712a(25) =29552672a(26) =30074733