Permutation of natural numbers: a(n) = A245611(A163511(n)).

Terms

a(0) =0a(1) =1a(2) =7a(3) =3a(4) =6a(5) =63a(6) =15a(7) =2a(8) =1023a(9) =32767a(10) =13a(11) =11a(12) =255a(13) =511a(14) =127a(15) =31a(16) =28a(17) =507a(18) =134217727a(19) =8388606a(20) =524287a(21) =17179869183a(22) =60a(23) =16777215a(24) =16383a(25) =8388607a(26) =65535a(27) =510a(28) =62a(29) =4095