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%I #16 Jan 11 2020 15:57:47
%S 1,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%T 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
%U 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0
%N Decimal expansion of gamma(2) = 7/5.
%C gamma(n) = Cp(n)/Cv(n) is the n-th Poisson's constant. For the definition of Cp and Cv see A272002.
%H Kshitij Education, <a href="http://www.kshitij-iitjee.com/molar-specific-heat-of-an-ideal-gas">Molar specific heat</a>.
%H Wikipedia, <a href="https://en.wikipedia.org/wiki/Heat_capacity_ratio">Poisson's constant</a>.
%F 7/5 = (7/2 R)/(5/2 R) = Cp(2)/Cv(2) = A272003/A272002, with R = A081822 (or A070064).
%Y Cf. A020793 = gamma(1).
%K nonn,cons,easy
%O 1,2
%A _Natan Arie Consigli_, Aug 31 2016
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