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A301282 Denominator of percentage of volume of unit box in R^4 that can be filled by n disjoint symplectically embedded balls of equal radius. 1
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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..83.

Felix Schlenk, Symplectic embedding problems, old and new, Bull. Amer. Math. Soc., 55 (2018), 139-182.

EXAMPLE

1/2, 1, 2/3, 8/9, 9/10, 48/49, 224/225, 1, 1, 1, 1, 1, 1, 1, 1, ...

CROSSREFS

Cf. A301281.

Sequence in context: A237765 A249632 A126009 * A246063 A332064 A229417

Adjacent sequences:  A301279 A301280 A301281 * A301283 A301284 A301285

KEYWORD

nonn,frac

AUTHOR

N. J. A. Sloane, Mar 20 2018

STATUS

approved

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Last modified September 21 04:58 EDT 2020. Contains 337267 sequences. (Running on oeis4.)