Least k such that the k-th squarefree number has exactly n zeros in its binary expansion.

Terms

a(0) =1a(1) =2a(2) =7a(3) =12a(4) =21a(5) =40a(6) =79a(7) =158a(8) =315a(9) =1247a(10) =1246a(11) =2492a(12) =4983a(13) =9963a(14) =19921a(15) =39845a(16) =79689a(17) =159361a(18) =318726a(19) =637462a(20) =1274919a(21) =2549835a(22) =5099651a(23) =10199302a(24) =20398665a(25) =40797328a(26) =81594627a(27) =163189198a(28) =326378285a(29) =652756723