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A030042 Numerator of volume of best symplectic packing of n balls in 4-dimensional ball. 2
1, 1, 3, 1, 20, 24, 63, 288, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

REFERENCES

McDuff and Polterovich, Invent. Math. 115 (1994), 405-434.

LINKS

Table of n, a(n) for n=1..9.

CROSSREFS

Cf. A030043.

Sequence in context: A067802 A181832 A139723 * A045496 A024432 A016531

Adjacent sequences:  A030039 A030040 A030041 * A030043 A030044 A030045

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified November 28 22:40 EST 2014. Contains 250439 sequences.