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A045496 Packing density for n balls in complex projective plane using Fubini-Study metric (numerators). 1

%I #19 Mar 12 2021 22:13:06

%S 1,1,3,1,20,24,63,288,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,

%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 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1

%N Packing density for n balls in complex projective plane using Fubini-Study metric (numerators).

%H D. McDuff, <a href="http://www.ams.org/notices/199808/mcduff.pdf">Symplectic Structures--A New Approach to Geometry</a>, Notices Amer. Math. Soc. 45(8) (1998), pp. 952-960.

%H <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (1).

%F a(n) = 1 for n >= 9 [from McDuff]. - _Sean A. Irvine_, Mar 12 2021

%Y Cf. A045497.

%Y Cf. A030042. - _R. J. Mathar_, Oct 18 2008

%K nonn,easy,frac

%O 1,3

%A _N. J. A. Sloane_

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Last modified April 25 12:28 EDT 2024. Contains 371969 sequences. (Running on oeis4.)