Positions of ones in binary expansion of 1/sqrt(2).

Terms

a(0) =1a(1) =3a(2) =4a(3) =6a(4) =8a(5) =14a(6) =17a(7) =18a(8) =19a(9) =20a(10) =23a(11) =24a(12) =27a(13) =28a(14) =31a(15) =32a(16) =33a(17) =34a(18) =35a(19) =36a(20) =37a(21) =40a(22) =41a(23) =42a(24) =44a(25) =45a(26) =46a(27) =47a(28) =50a(29) =51