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 A025194 a(n) = [ 3rd elementary symmetric function of {sqrt(k)} ], k = 1,2,...,n. 1
 2, 13, 44, 112, 239, 457, 801, 1320, 2066, 3103, 4505, 6354, 8744, 11779, 15576, 20260, 25971, 32861, 41093, 50844, 62304, 75678, 91183, 109050, 129526, 152874, 179367, 209300, 242978, 280725, 322881, 369801, 421858, 479441, 542957, 612830, 689502 (list; graph; refs; listen; history; text; internal format)
 OFFSET 3,1 LINKS 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: A025194 := proc(n)     [seq(sqrt(k), k=1..n)] ;     SymmPolyn(%, 3) ;     floor(%) ; end proc: # R. J. Mathar, Sep 23 2016 CROSSREFS Sequence in context: A248198 A102296 A296807 * A084156 A002534 A212501 Adjacent sequences:  A025191 A025192 A025193 * A025195 A025196 A025197 KEYWORD nonn AUTHOR STATUS approved

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Last modified June 19 05:33 EDT 2019. Contains 324218 sequences. (Running on oeis4.)