%I A147560
%S A147560 4,16,12,64,100,48,196,256,108,400,484,192
%N A147560 From array of successive spectra of hydrogen atom: a(n)=A000290(1), A061038(2), 
               A061040(3), A061042(4), A061044(5), A061046(6), A061048(7), A061050(8), 
               denominators of Lyman, Balmer, Paschen, Brackett, Pfund, Humphreys, 
               Hansen-Strong, .. . a(n)=4*A046162(n+1), from Routh's theorem and 
               reduced numerators.
%Y A147560 Companion to A144437.
%Y A147560 Sequence in context: A049208 A061093 A067178 this_sequence A029659 A072652 
               A058970
%Y A147560 Adjacent sequences: A147557 A147558 A147559 this_sequence A147561 A147562 
               A147563
%K A147560 nonn
%O A147560 0,1
%A A147560 Paul Curtz (bpcrtz(AT)free.fr), Nov 07 2008