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%I #22 Aug 05 2024 20:30:40
%S 1,1,2,8,9,48,224,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
%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 Numerator of proportion of the volume of a 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), pp. 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. A301282 (denominators), A125846, A125847.
%K nonn,frac,easy
%O 1,3
%A _N. J. A. Sloane_, Mar 20 2018