%I #8 Jun 18 2019 03:31:43
%S 1,3,7,9,11,11,15,15,19,18,19,21,24,22,25,26,28,26,29,29,34,33,34,36,
%T 38,35,38,38,39,38,41,42,44,43,44,46,49,45,50,50,52,51,54,55,58,55,56,
%U 58,61,57,60,60,61,60,63,62,66,64,66,67,71,68,70,72,73,70,72,70,76,74,75,77,79,76
%N Sum of exponents of primes in multinomial coefficient M(4n; n+2,2n,n-2).
%K nonn
%O 1,2
%A _Clark Kimberling_
%E Missing a(1)=1 inserted by _Sean A. Irvine_, Jun 17 2019
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