a(n) = floor(d(n) * n^(11/2)) where d(n) is the number of divisors of n.

Terms

a(0) =1a(1) =90a(2) =841a(3) =6144a(4) =13975a(5) =76188a(6) =88934a(7) =370727a(8) =531441a(9) =1264911a(10) =1068291a(11) =5171875a(12) =2677431a(13) =8049412a(14) =11764186a(15) =20971520a(16) =11708440a(17) =48100548a(18) =21586130a(19) =85865010a(20) =74862807a(21) =96690707a(22) =61735233a(23) =312069853a(24) =146484375a(25) =242333472a(26) =298236431a(27) =546412244a(28) =220911835a(29) =1064772651