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.

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

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