%I #6 Apr 16 2014 00:27:55
%S 1,3,11,19,37,55,87,119,169,219,291,4,12,20,38,56,88,120,170,220,292,
%T 21,39,57,89,121,171,221,293,58,90,122,172,222,294,123,173,223,295,
%U 224,296,225,297,226,298,227,299,228,300,229,301,230,302,231,303,232,304,233
%N Atomic numbers of the periodic table of the elements, read downwards along 72 columns, up to the 11th period.
%C This finite sequence has 362 members. Atomic numbers > 362 are not members.
%e ========================================================================
%e ............................ STRUCTURE OF .............................
%e ................. THE PERIODIC TABLE OF THE ELEMENTS ..................
%e ............................ (72 columns) .............................
%e ========================================================================
%e X......................................................................X
%e XX................................................................XXXXXX
%e XX................................................................XXXXXX
%e XXX......................................................XXXXXXXXXXXXXXX
%e XXX......................................................XXXXXXXXXXXXXXX
%e XXXX........................................XXXXXXXXXXXXXXXXXXXXXXXXXXXX
%e XXXX........................................XXXXXXXXXXXXXXXXXXXXXXXXXXXX
%e XXXXX......................XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
%e XXXXX......................XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
%e XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
%e XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
%e ========================================================================
%Y Cf. A099955, A134984, A138723, A138724, A138725.
%K fini,nonn
%O 1,2
%A _Omar E. Pol_, Apr 09 2008