%I A137583
%S A137583 2,2,8,8,18,18,32,32
%N A137583 Number of elements in the n-th period of the Janet periodic table of 
               elements.
%C A137583 Essentially 2 followed by the first terms of A093907.
%C A137583 This puts Hydrogen and Helium in the first row, Lithium and Beryllium 
               into
%C A137583 the second, Boron to Magnesium into the third etc.
%H A137583 Albert Tarantola, <a href="http://www.ipgp.fr/~tarantola/Files/Professional/
               Mendeleev/">PSE of Elements (Janet form)</a>.
%H A137583 Anonymous, <a href="http://www.webelements.com/nexus/?q=node/981">Janet 
               periodic table</a>, Web Elements Chemistry Nexus
%H A137583 Anonymous, <a href="http://www.meta-synthesis.com/webbook/35_pt/pt.html">
               Periodic Table: Formulations</a>, Chemogenesis web book
%Y A137583 Cf. A137508, A137575.
%Y A137583 Sequence in context: A072576 A060818 A082887 this_sequence A099328 A073090 
               A120544
%Y A137583 Adjacent sequences: A137580 A137581 A137582 this_sequence A137584 A137585 
               A137586
%K A137583 nonn,less,fini,full
%O A137583 1,1
%A A137583 Paul Curtz (bpcrtz(AT)free.fr), Apr 26 2008
%E A137583 Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 02 2009