Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SquareRoot.html">Square root</a>.
Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PythagorassConstant.html">Pythagoras
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Euler transform of length 2 sequence [2, -1]. - _Michael Somos_, Apr 16 2007
G.f. A(x) satisfies 0 = f(A(x), A(x^2), A(x^4)) where f(u, v, w) = (u-v)*(u+v) - 2*v*(u-w). - _Michael Somos_, Apr 16 2007
E.g.f.: 2*exp(x) - 1. - _Michael Somos_, Apr 16 2007
a(n) = a(-n) for all n in Z (one possible extension to n<0). - _Michael Somos_, Apr 16 2007
Kshitij Education, <a href="https://web.archive.org/web/20171219234500/http://www.kshitij-iitjee.com/molar-specific-heat-of-an-ideal-gas">Molar specific heat</a>
MathPath, <a href="https://web.archive.org/web/20150911210941/http://www.mathpath.org/Algor/squareroot
Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SquareRoot.html">Square root</a>
Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PythagorassConstant.html">Pythagoras's Constant</a>
Wikipedia, <a href="https://en.wikipedia.org/wiki/Heat_capacity_ratio">Poisson's constant</a>
G. Xiao, <a href="http://wims.unice.fr/~wims/en_tool~number~contfrac.en.html">Contfrac</a>
<a href="/index/Con#confC">Index entries for continued fractions for constants</a>
<a href="/index/Con#constant">Index entries for eventually constant sequences</a>
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