a(n) is the smallest number m with exactly n divisors that are Zuckerman numbers, or -1 if there is no such m.

A335038

a(n) is the smallest number m with exactly n divisors that are Zuckerman numbers, or -1 if there is no such m.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =6a(4) =18a(5) =12a(6) =84a(7) =24a(8) =168a(9) =72a(10) =144a(11) =360a(12) =432a(13) =1080a(14) =2016a(15) =2160a(16) =6048a(17) =8064a(18) =15120a(19) =34272a(20) =24192a(21) =60480a(22) =48384a(23) =88704a(24) =120960a(25) =354816a(26) =241920a(27) =483840a(28) =665280a(29) =266112

External references