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%I #4 Mar 31 2012 10:26:04
%S 10,11,12,14,16,18,20,22,25,28,30,35,40,45,50,55,60,70,80,90,100
%N Strongly rounded Renard series R"20 of preferred numbers based on 10^(1/20).
%H D. Grieve, <a href="http://www.tech.plymouth.ac.uk/sme/desnotes/prefsize.htm">Standardization and preferred sizes</a>
%H Sizes, <a href="http://www.sizes.com/numbers/preferred_numbers.htm">Preferred numbers</a>
%H Wikipedia, <a href="http://translate.google.com/translate?hl=en&sl=de&u=http://de.wikipedia.org/wiki/Renard-Serie">Renard series</a>
%H Wikipedia, <a href="http://en.wikipedia.org/wiki/Preferred_number">Preferred number</a>
%Y Cf. A011289.
%K fini,full,nonn
%O 1,1
%A _Lekraj Beedassy_, Sep 06 2005