Numbers with prime factorization p^4*q^4.

Terms

a(0) =1296a(1) =10000a(2) =38416a(3) =50625a(4) =194481a(5) =234256a(6) =456976a(7) =1185921a(8) =1336336a(9) =1500625a(10) =2085136a(11) =2313441a(12) =4477456a(13) =6765201a(14) =9150625a(15) =10556001a(16) =11316496a(17) =14776336a(18) =17850625a(19) =22667121a(20) =29986576a(21) =35153041a(22) =45212176a(23) =52200625a(24) =54700816a(25) =57289761a(26) =68574961a(27) =74805201