This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A319407 #13 Sep 20 2018 09:19:34 %S A319407 2,10,4,20,46,22,8,40,90,194,92,44,102,46,16,80,178,378,180,388,798, %T A319407 390,184,88,202,434,204,92,214,94,32,160,354,746,356,756,1550,758,360, %U A319407 776,1594,3234,1596,780,1606,782,368,176,402,858,404,868,1790,870 %N A319407 a(n) = A175046(n)-n. %C A319407 How much n increases by when its binary runs are all prolonged by one bit. %H A319407 Altug Alkan, <a href="/A319407/b319407.txt">Table of n, a(n) for n = 1..16384</a> %e A319407 n = 13 = 1101_2 -> 1110011_2 = 115 so a(13) = 115 - 13 = 102. %Y A319407 Cf. A175046, A319408, A319409. %K A319407 nonn,base %O A319407 1,1 %A A319407 _N. J. A. Sloane_, Sep 19 2018