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 A179284 #10 May 15 2017 16:05:13 %S A179284 10,1011,1101,10001,11111,110101,1000111,1001111,1100001,1100101, %T A179284 1100111,1101011,11010011,11101001,11111011,100010101,101011101, %U A179284 101101111,110101111,110110111,111001001,111110111,1000001001 %N A179284 A178796(n) in binary system. %C A179284 The intersection with A020449 yields 1100101, 101101111, 111001001, 1011000101, 10111001011, 11001000001, 11011011001 etc. [_R. J. Mathar_, Jul 12 2010] %F A179284 a(n) = A007088(A178796(n)). [_R. J. Mathar_, Jul 12 2010] %K A179284 base,nonn %O A179284 1,1 %A A179284 _Giovanni Teofilatto_, Jul 09 2010 %E A179284 Corrected and extended by _Vincenzo Librandi_ and _R. J. Mathar_, Jul 12 2010