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 A006937 M4759 #19 Jan 19 2025 03:30:13 %S A006937 10,1010,1111110010,1000010001110100011000101111010, %T A006937 1100100111110011010011100010101000011000101001000100011011011010001111011100010000001000010011100010 %N A006937 Convert the last term from decimal to binary! a(1)=10. %C A006937 The next term, a(6), has 330 digits. - _Harvey P. Dale_, Aug 10 2011 %D A006937 C. Pickover, Mazes for the Mind, St. Martin's Press, NY, 1992, p. 350. %D A006937 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %t A006937 NestList[FromDigits[IntegerDigits[#,2]]&,10,5] (* _Harvey P. Dale_, Aug 10 2011 *) %Y A006937 Essentially the same as A008559. %K A006937 nonn,base %O A006937 1,1 %A A006937 _N. J. A. Sloane_