a(n) is the minimal number of binary order n which has maximal number of divisors in this interval.

Terms

a(0) =1a(1) =2a(2) =4a(3) =6a(4) =12a(5) =24a(6) =60a(7) =120a(8) =240a(9) =360a(10) =840a(11) =1680a(12) =2520a(13) =7560a(14) =15120a(15) =27720a(16) =55440a(17) =110880a(18) =221760a(19) =498960a(20) =720720a(21) =1441440a(22) =3603600a(23) =7207200a(24) =14414400a(25) =32432400a(26) =61261200a(27) =122522400a(28) =245044800a(29) =367567200