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A025133 4th elementary symmetric function of C(n,0), C(n,1), ..., C(n,n). 2

%I

%S 9,256,5825,117561,2229206,40645536,721957977,1258790065,216494284886,

%T 3684700444921,62202196684966,1043201004995254

%N 4th elementary symmetric function of C(n,0), C(n,1), ..., C(n,n).

%p SymmPolyn := proc(L::list,n::integer)

%p local c,a,sel;

%p a :=0 ;

%p sel := combinat[choose](nops(L),n) ;

%p for c in sel do

%p a := a+mul(L[e],e=c) ;

%p end do:

%p a;

%p end proc:

%p A025133 := proc(n)

%p [seq(binomial(n,i),i=0..n)] ;

%p SymmPolyn(%,4) ;

%p end proc: # _R. J. Mathar_, Sep 23 2016

%K nonn

%O 3,1

%A _Clark Kimberling_

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Last modified May 19 06:41 EDT 2019. Contains 323386 sequences. (Running on oeis4.)