Permutation of nonnegative integers: a(n) = A156552(A005940(1+n)-1).

Terms

a(0) =0a(1) =1a(2) =2a(3) =3a(4) =4a(5) =7a(6) =8a(7) =5a(8) =6a(9) =17a(10) =16a(11) =23a(12) =64a(13) =65a(14) =10a(15) =9a(16) =32a(17) =19a(18) =128a(19) =129a(20) =512a(21) =67a(22) =256a(23) =47a(24) =24a(25) =4097a(26) =20a(27) =4099a(28) =32768a(29) =79