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%I #7 Jul 06 2019 20:59:36
%S 20,319,1850,6962,20344,50198,109666,218483,404885,707740,1178937,
%T 1885998,2914945,4373393,6393898,9137529,12797693,17604194,23827533,
%U 31783445,41837686,54411045,69984609,89105263,112391425,140539035
%N [ (4th elementary symmetric function of S(n))/(first elementary symmetric function of S(n)) ], where S(n) = {first n+3 positive integers congruent to 1 mod 4}.
%F a(n) = floor(A024380(n) / A000384(n + 3)). - _Sean A. Irvine_, Jul 06 2019
%K nonn
%O 1,1
%A _Clark Kimberling_
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