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 A145442 #1 Jan 09 2009 03:00:00 %S A145442 10,100,1000,1000000,1000000000,1000000000000,1000000000000000, %T A145442 1000000000000000000,1000000000000000000000,1000000000000000000000000 %N A145442 Multipliers of SI prefixes, in increasing order. %C A145442 See A145441 for the definition. %H A145442 Bureau International des Poids et Mesures, <a href="http://www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf">The International System of Units</a>, 8th ed., 2006, page 121. %H A145442 Wikipedia, <a href="http://en.wikipedia.org/wiki/SI_prefix">SI prefix</a>. %Y A145442 a(n) = 10^A145441(n). %K A145442 fini,full,nonn %O A145442 1,1 %A A145442 Kang Seonghoon (lifthrasiir(AT)gmail.com), Oct 10 2008, Oct 17 2008