Position of n-th 1 in A030341.

Terms

a(0) =1a(1) =4a(2) =5a(3) =6a(4) =8a(5) =11a(6) =17a(7) =18a(8) =20a(9) =23a(10) =25a(11) =26a(12) =27a(13) =28a(14) =29a(15) =31a(16) =32a(17) =35a(18) =36a(19) =38a(20) =41a(21) =45a(22) =52a(23) =54a(24) =55a(25) =58a(26) =63a(27) =72a(28) =73a(29) =76