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 A144624 #7 Aug 14 2013 17:07:50 %S A144624 0,0,1,1,3,3,6,4,7,7,8,11,16,17,19,11,15,15,16,19,22,18,28,29,36,37, %T A144624 40,41,49,51,48,26,31,31,32,35,34,39,44,45,50,51,39,53,66,63,72,67,76, %U A144624 77,80,81,90,87,90,98,109,111,116,118,122,125,109,57,63,63,64,67,66,71,76 %N A144624 a(n) = A078823(n) - n. %C A144624 Sum of all distinct binary numbers contained as proper substrings in the binary representation of n. %H A144624 Reinhard Zumkeller, <a href="/A144624/b144624.txt">Table of n, a(n) for n = 0..10000</a> %o A144624 (Haskell) %o A144624 a144624 n = a078823 n - fromIntegral n -- _Reinhard Zumkeller_, Aug 14 2013 %K A144624 nonn %O A144624 0,5 %A A144624 _N. J. A. Sloane_, Jan 18 2009 %E A144624 Extended by _Ray Chandler_, Mar 13 2010