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%I #2 Mar 31 2012 13:21:04
%S 0,4,6,8,10,12,14,12,12,18,22,19,26,22,19,16,34,22,38,22,23,32,46,23,
%T 20,36,18,26,58,37,62,20,34,46,29,29,74,50,38,31,82,38,86,36,30,58,94,
%U 30,28,32,46,40,106,30,37,37,50,70,118,41,122,74,36,24,41,48,134,50,58,50
%N Sum of prime factors (counted with multiplicity) of the period numbers defined by A133900.
%e a(6)=12, since A133900(6)=72=2*2*2*3*3 and 2+2+2+3+3=12.
%e a(12)=19, since A133900(12)=864=2*2*2*2*2*3*3*3 and 2+2+2+2+2+3+3+3=19.
%Y Cf. A000040, A100118, A046363, A133620, A133621, A133623, A133630, A133635.
%Y Cf. A133872, A133880, A133890, A133900, A133910, A133911.
%K nonn
%O 1,2
%A _Hieronymus Fischer_, Oct 20 2007