a(n) = least multiple of the n-th prime that has the minimum Hamming weight (=A278966(n)).

Terms

a(0) =2a(1) =3a(2) =5a(3) =7a(4) =33a(5) =65a(6) =17a(7) =513a(8) =69a(9) =16385a(10) =31a(11) =262145a(12) =1025a(13) =129a(14) =517a(15) =67108865a(16) =536870913a(17) =1073741825a(18) =8589934593a(19) =8449a(20) =73a(21) =1027a(23) =89a(24) =16777217a(26) =515a(28) =262145a(29) =16385a(30) =127a(32) =17179869185