Search: id:A024393
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%I A024393
%S A024393 880,12164,80844,363944,1276009,3751209,9668253,22494813,48216663,
%T A024393 96625243,183045863,330597267,573081782,958613782,1554102702,2450715342,
%U A024393 3770450706,5673969126,8369825926,12125268386,17278763271,24254430695
%N A024393 4th elementary symmetric function of the first n+3 positive integers 
               congruent to 2 mod 3.
%e A024393 sigma_4(2,5,8,11,14,17) = 2*5*8*11 + 2*5*8*14 + 2*5*8*17 + 2*5*11*14 
               + 2*5*11*17 + 2*5*14*17 + 2*8*11*14 + 2*8*11*17 + 2*8*14*17 + 2*11*14*17 
               + 5*8*11*14 + 5*8*11*17 + 5*8*14*17 + 5*11*14*17 + 8*11*14*17 = 80844. 
               This is also the value of n(n+1)(n+2)(n+3)(16376+30534*n+18495*n^2+4590*n^3+405*n^4)/
               1920 for n=3. - Neven Juric (neven.juric(AT)apis-it.hr), Jun 25 2005
%Y A024393 Sequence in context: A129313 A063051 A118799 this_sequence A006052 A105976 
               A137064
%Y A024393 Adjacent sequences: A024390 A024391 A024392 this_sequence A024394 A024395 
               A024396
%K A024393 nonn
%O A024393 1,1
%A A024393 Clark Kimberling (ck6(AT)evansville.edu)
%E A024393 a(3) corrected by Neven Juric Jun 25 2005

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