Numbers with a record number of noninfinitary square divisors.

Terms

a(0) =1a(1) =16a(2) =144a(3) =256a(4) =1296a(5) =2304a(6) =20736a(7) =57600a(8) =331776a(9) =518400a(10) =2822400a(11) =8294400a(12) =12960000a(13) =25401600a(14) =132710400a(15) =207360000a(16) =228614400a(17) =406425600a(18) =635040000a(19) =2057529600a(20) =3073593600a(21) =6502809600a(22) =10160640000a(23) =27662342400a(24) =31116960000a(25) =51438240000a(26) =76839840000a(27) =248961081600