OFFSET
1,1
FORMULA
Empirical g.f.: -x*(x^3-x^2-3*x-2) / ((x-1)*(x+1)*(x^2-3*x+1)*(x^2+x-1)). - Colin Barker, Aug 15 2014
MATHEMATICA
f[k_] := Fibonacci[k + 1]; t[n_] := Table[f[k], {k, 1, n}]
a[n_] := SymmetricPolynomial[2, t[n]]
Table[a[n], {n, 2, 32}] (* A203245 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Clark Kimberling, Dec 31 2011
STATUS
approved