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1-sequence of reduction of (3n-1) by x^2 -> x+1.
1

%I #7 Mar 30 2012 18:57:34

%S 0,5,13,35,77,162,322,621,1167,2153,3913,7028,12500,22053,38641,67311,

%T 116661,201302,346006,592685,1012115,1723605,2927953,4962600,8393832,

%U 14170757,23882197,40184891,67516637,113283018

%N 1-sequence of reduction of (3n-1) by x^2 -> x+1.

%C See A192232 for definition of "k-sequence of reduction of [sequence] by [substitution]".

%F Empirical G.f.: x^2*(5-2*x+x^2)/(1-x)/(1-x-x^2)^2. [Colin Barker, Feb 11 2012]

%t (See A192309.)

%Y Cf. A192232, A192309.

%K nonn

%O 1,2

%A _Clark Kimberling_, Jun 27 2011