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A025133 4th elementary symmetric function of C(n,0), C(n,1), ..., C(n,n). 2
9, 256, 5825, 117561, 2229206, 40645536, 721957977, 12587900665, 216494284886, 3684700444921, 62202196684966, 1043201004995254, 17402695775329724, 289035985511398816, 4782824895703150121, 78896686234320906753, 1297987090781736899270, 21304819716551897181561 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

LINKS

Table of n, a(n) for n=3..20.

MAPLE

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

    local c, a, sel;

    a :=0 ;

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

    for c in sel do

        a := a+mul(L[e], e=c) ;

    end do:

    a;

end proc:

A025133 := proc(n)

    [seq(binomial(n, i), i=0..n)] ;

    SymmPolyn(%, 4) ;

end proc: # R. J. Mathar, Sep 23 2016

CROSSREFS

Sequence in context: A178186 A212290 A296950 * A193129 A183493 A183424

Adjacent sequences:  A025130 A025131 A025132 * A025134 A025135 A025136

KEYWORD

nonn

AUTHOR

Clark Kimberling

EXTENSIONS

a(10) corrected and more terms from Sean A. Irvine, Aug 10 2019

STATUS

approved

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Last modified July 4 09:29 EDT 2020. Contains 335446 sequences. (Running on oeis4.)