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%I #5 Mar 30 2012 18:58:05
%S 1,7,59,660,9280,148300,2805900,58575000,1396365000,37435710000,
%T 1077585600000,34227953760000,1189257232800000,43680491749440000,
%U 1734759507499200000,72342732649037760000,3233001543062054400000
%N (n-1)-st elementary symmetric function of the first n terms of the upper Wythoff sequence, A001950.
%t f[k_] := k + Floor[GoldenRatio*k]
%t t[n_] := Table[f[k], {k, 1, n}]
%t a[n_] := SymmetricPolynomial[n - 1, t[n]]
%t Table[a[n], {n, 1, 18}] (* A203237 *)
%t t[16] (* A001950 *)
%Y Cf. A203236.
%K nonn
%O 1,2
%A _Clark Kimberling_, Dec 30 2011