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A192142 1-sequence of reduction of (n^2+n+1) by x^2 -> x+1. 1


%S 0,3,10,36,99,254,598,1339,2872,5966,12071,23908,46516,89155,168702,

%T 315712,585163,1075442,1961754,3554715,6402780,11470778,20450255,

%U 36297576,64164744,113006019,198345298,347033724,605414067,1053307526

%N 1-sequence of reduction of (n^2+n+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*(3-2*x+5*x^2+x^4)/(1-x)/(1-x-x^2)^3. [Colin Barker, Feb 11 2012]

%t (See A192299.)

%Y Cf. A192232, A192299.

%K nonn

%O 1,2

%A _Clark Kimberling_, Jun 27 2011

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Last modified November 28 16:42 EST 2021. Contains 349413 sequences. (Running on oeis4.)