Number of 1s in the first 2^n entries of the Kolakoski sequence, A000002.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =8a(5) =17a(6) =32a(7) =64a(8) =129a(9) =256a(10) =513a(11) =1024a(12) =2051a(13) =4093a(14) =8192a(15) =16381a(16) =32746a(17) =65523a(18) =131082a(19) =262168a(20) =524262a(21) =1048547a(22) =2097100a(23) =4194345a(24) =8388733a(25) =16777351a(26) =33554669a(27) =67109796a(28) =134219275a(29) =268437750