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%I #10 Mar 21 2018 04:35:48
%S 2,1,3,9,10,49,225,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
%T 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
%U 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1
%N Denominator of percentage of volume of unit box in R^4 that can be filled by n disjoint symplectically embedded balls of equal radius.
%H Felix Schlenk, <a href="https://doi.org/10.1090/bull/1587">Symplectic embedding problems, old and new</a>, Bull. Amer. Math. Soc., 55 (2018), 139-182.
%e 1/2, 1, 2/3, 8/9, 9/10, 48/49, 224/225, 1, 1, 1, 1, 1, 1, 1, 1, ...
%Y Cf. A301281.
%K nonn,frac
%O 1,1
%A _N. J. A. Sloane_, Mar 20 2018
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