The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #11 Nov 09 2017 21:12:53
%S 1,5,4,8,6,10,11,13,11,15,13,16,16,18,18,20,18,20,18,25,21,23,22,27,
%T 24,30,28,28,28,31,32,33,29,33,32,36,32,36,37,39,35,40,32,37,38,38,39,
%U 40,40,43,41,48,44,47,47,49,45,50,47,53,50,53,50,52,50,54,50,52,53,54,57,58,55,59,57,62
%N Sum of exponents in prime-power factorization of binomial(5n, 2n-1).
%H Ivan Neretin, <a href="/A023848/b023848.txt">Table of n, a(n) for n = 1..10000</a>
%t Table[PrimeOmega[Binomial[5 n, 2 n - 1]], {n, 77}] (* _Ivan Neretin_, Nov 09 2017 *)
%Y Cf. A023816-A023854.
%K nonn
%O 1,2
%A _Clark Kimberling_