%I A023843
%S A023843 2,5,4,7,7,10,8,11,9,12,12,15,15,15,14,17,15,18,15,21,19,20,18,22,19,24,
               24,
%T A023843 25,25,27,24,26,25,24,24,28,25,29,27,32,27,33,27,30,34,33,31,33,32,35,
               34,40,
%U A023843 37,40,38,41,37,42,39,46,42,42,38,40,39,42,38,42,42,43,44,47,44,46,45,
               48,49
%N A023843 Sum of exponents in prime-power factorization of C(5n,n+1).
%Y A023843 Sequence in context: A100116 A107921 A085801 this_sequence A153990 A154811 
               A036237
%Y A023843 Adjacent sequences: A023840 A023841 A023842 this_sequence A023844 A023845 
               A023846
%K A023843 nonn
%O A023843 1,1
%A A023843 Clark Kimberling (ck6(AT)evansville.edu)