Position of n-th 1 in A031035.

Terms

a(0) =1a(1) =8a(2) =10a(3) =11a(4) =12a(5) =14a(6) =16a(7) =18a(8) =20a(9) =22a(10) =27a(11) =43a(12) =59a(13) =75a(14) =91a(15) =107a(16) =120a(17) =123a(18) =125a(19) =126a(20) =129a(21) =132a(22) =135a(23) =138a(24) =141a(25) =144a(26) =145a(27) =147a(28) =148a(29) =149