Place where n-th 1 occurs in A023124.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =7a(5) =9a(6) =12a(7) =15a(8) =18a(9) =22a(10) =26a(11) =31a(12) =36a(13) =41a(14) =47a(15) =53a(16) =59a(17) =66a(18) =73a(19) =80a(20) =88a(21) =96a(22) =105a(23) =114a(24) =123a(25) =133a(26) =143a(27) =153a(28) =164a(29) =175