Positions of ones in binary expansion of Euler's constant gamma.

Terms

a(0) =1a(1) =4a(2) =7a(3) =8a(4) =9a(5) =10a(6) =14a(7) =18a(8) =19a(9) =22a(10) =23a(11) =24a(12) =25a(13) =26a(14) =27a(15) =31a(16) =32a(17) =34a(18) =35a(19) =36a(20) =37a(21) =38a(22) =40a(23) =41a(24) =43a(25) =44a(26) =49a(27) =50a(28) =54a(29) =55