Positions of ones in binary expansion of e-2.

Terms

a(0) =1a(1) =3a(2) =4a(3) =6a(4) =7a(5) =8a(6) =9a(7) =10a(8) =11a(9) =16a(10) =18a(11) =20a(12) =24a(13) =26a(14) =27a(15) =31a(16) =33a(17) =37a(18) =39a(19) =41a(20) =42a(21) =43a(22) =45a(23) =46a(24) =48a(25) =51a(26) =53a(27) =55a(28) =58a(29) =59