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A301282
Denominator 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.
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
OFFSET
1,1
LINKS
Felix Schlenk, Symplectic embedding problems, old and new, Bull. Amer. Math. Soc., 55 (2018), pp. 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 (numerators).
Sequence in context: A237765 A249632 A126009 * A246063 A332064 A229417
KEYWORD
nonn,frac,easy
AUTHOR
N. J. A. Sloane, Mar 20 2018
STATUS
approved