Numbers n such that n = k/d(k) has exactly 4 solutions, where d(k) = number of divisors of k.

Terms

a(0) =11264a(1) =14175a(2) =28160a(3) =44100a(4) =46464a(5) =51200a(6) =95744a(7) =96000a(8) =107008a(9) =109375a(10) =109760a(11) =116160a(12) =129536a(13) =151263a(14) =162624a(15) =163328a(16) =174592a(17) =192000a(18) =208384a(19) =224000a(20) =230912a(21) =239360a(22) =242176a(23) =242550a(24) =246960a(25) =264704a(26) =267520a(27) =281600a(28) =286650a(29) =298496