%I A024221
%S A024221 12,163,891,3256,9340,22757,49254,97430,179537,312394,518402,826655,
%T A024221 1274155,1907129,2782449,3969144,5550027,7623415,10304946,13729509,18053268,
%U A024221 23455784,30142248,38345805,48329989,60391250,74861587,92111285,112551745
%N A024221 [ (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 3}.
%Y A024221 Sequence in context: A048603 A109391 A138455 this_sequence A093152 A143583 
               A046174
%Y A024221 Adjacent sequences: A024218 A024219 A024220 this_sequence A024222 A024223 
               A024224
%K A024221 nonn
%O A024221 1,1
%A A024221 Clark Kimberling (ck6(AT)evansville.edu)