%I A116471
%S A116471 0,2,8,8,18,18,32,32,50,50,72,72,98,98,128,128,162,162,200,200,242,242,
%T A116471 288,288,338,338,392,392,450,450,512,512,578,578,648,648,722,722,800,
%U A116471 800,882,882,968,968,1058,1058,1152,1152,1250,1250,1352,1352,1458,1458
%N A116471 Values 2*(n -/+ 1)^2 sorted.
%C A116471 For n>2, consists of entries of A001105(n)=2*n^2 (n>1) that appear twice.
%C A116471 The terms a(2)-a(8) give the number of elements in the periods 1-7 of 
               the periodic table of the chemical elements. - Antti Karttunen (his-firstname.his-surname(AT)gmail.com), 
               Aug 14 2008.
%H A116471 Wikipedia, <a href="http://en.wikipedia.org/wiki/Atomic_electron_configuration_table">
               Atomic electron configuration table</a>
%H A116471 Wikipedia, <a href="http://en.wikipedia.org/wiki/Periodic_table">Periodic 
               table</a>
%Y A116471 A001105(n) = a(2n), for n >=1. Cf. also A016742.
%Y A116471 Sequence in context: A104537 A019240 A093907 this_sequence A146749 A064231 
               A156052
%Y A116471 Adjacent sequences: A116468 A116469 A116470 this_sequence A116472 A116473 
               A116474
%K A116471 nonn
%O A116471 1,2
%A A116471 Lekraj Beedassy (blekraj(AT)yahoo.com), Mar 17 2006
%E A116471 More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), 
               May 11 2006