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 A091065 #10 Jun 08 2014 13:29:29 %S A091065 0,1,2,4,6,8,12,14,16,20,24,26,28,30,32,40,44,48,50,52,56,58,60,62,64, %T A091065 72,80,84,88,92,96,98,100,104,106,108,112,114,116,118,120,122,124,126, %U A091065 128,144,152,160,164,168,172,176,180,184,188,192,194,196,200,202,208 %N A091065 Numbers having in binary representation no proper prefix that is also a suffix. %C A091065 A091064(a(n)) = 0, complement of A091066. %H A091065 Alois P. Heinz, <a href="/A091065/b091065.txt">Table of n, a(n) for n = 1..10000</a> %H A091065 <a href="/index/Bi#binary">Index entries for sequences related to binary expansion of n</a> %Y A091065 Cf. A007088, A070939, A242869. %K A091065 nonn,base %O A091065 1,3 %A A091065 _Reinhard Zumkeller_, Dec 17 2003