Index of the occurrence of n in A113698.

Terms

a(0) =1a(1) =2a(2) =4a(3) =8a(4) =16a(5) =32a(6) =64a(7) =128a(8) =256a(9) =512a(10) =1024a(11) =3a(12) =5a(13) =9a(14) =17a(15) =33a(16) =65a(17) =129a(18) =257a(19) =513a(20) =1025a(21) =2049a(22) =6a(23) =10a(24) =18a(25) =34a(26) =66a(27) =130a(28) =258a(29) =514