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%I #7 Nov 13 2012 08:22:15
%S 0,1,2,17,48,245,850,3709,14016,57817,225890,912473,3610800,14470637,
%T 57541426,229912165,915917568,3655472497,14572774850,58135559777,
%U 231822774960,924665246117,3687589909522,14707675592461,58656853828800,233942936910025
%N Constant term of the reduction of n-th polynomial at A161516 by x^2->x+1.
%C For an introduction to reductions of polynomials by substitutions such as x^2->x+1, see A192232.
%F Empirical G.f.: x^2*(3*x^2+1)/(9*x^4+6*x^3-10*x^2-2*x+1). [_Colin Barker_, Nov 13 2012]
%e (See A192344.)
%t (See A192344.)
%Y Cf. A192232, A192344.
%K nonn
%O 1,3
%A _Clark Kimberling_, Jun 28 2011