This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A192337 #8 Nov 13 2012 12:46:08 %S A192337 0,1,3,10,31,95,286,853,2525,7436,21815,63821,186328,543165,1581591, %T A192337 4601410,13378731,38880803,112954430,328063121 %N A192337 Coefficient of x in the reduction of n-th polynomial at A157751 by x^2->x+1. %C A192337 For an introduction to reductions of polynomials by substitutions such as x^2->x+1, see A192232. %F A192337 Empirical G.f.: -x^2*(x^2+x-1)/(x^4+6*x^3+x^2-4*x+1). [_Colin Barker_, Nov 13 2012] %t A192337 (See A192313.) %Y A192337 Cf. A192232, A192313. %K A192337 nonn %O A192337 1,3 %A A192337 _Clark Kimberling_, Jun 28 2011