Search: id:A048621
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%I A048621
%S A048621 0,1,1,2,2,3,2,3,4,5,4,5,5,6,5,6,5,6,5,6,7,8,6,7,8,9,10,11,10,11,8,9,
%T A048621 10,11,10,11,11,12,11,12,11,12,11,12,14,15,12,13,13,14,14,15,13,14,13,
%U A048621 14,15,16,14,15,15,16,14,15,15,16,15,16,16,17,14,15,15,16,17,18,18,19
%N A048621 Central value of p(C(n,[ n/2 ])), where p()=A001222 (prime factors with 
               multiple counting) applied to A001405(n).
%F A048621 A001222(A001405(n))=a(n)
%e A048621 n=24: the sums of prime factor exponents when k runs from 0 to 24 is 
               {0,4,4,5,5,7,6,8,6,8,8,9,7,9,8,8,6,8,6,7,5,5,4,4,0}. The central 
               value is 7, so a(24)=7.
%Y A048621 A001222, A001221, A046660, A034973, A034974.
%Y A048621 Sequence in context: A106250 A029248 A085916 this_sequence A045772 A091256 
               A003990
%Y A048621 Adjacent sequences: A048618 A048619 A048620 this_sequence A048622 A048623 
               A048624
%K A048621 nonn
%O A048621 1,4
%A A048621 Labos E. (labos(AT)ana.sote.hu)

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