A008858 Number of equilibrium configurations for n bodies, each with a radial force from the center, with an opposite force acting radially from center of configuration.

1, 1, 4, 21, 167, 1284

Offset

1,3

Links

Table of n, a(n) for n=1..6.

Crossrefs

Sequence in context: A179496 A339233 A107872 * A217484 A078670 A317104

Adjacent sequences: A008855 A008856 A008857 * A008859 A008860 A008861

Keyword

nonn,more

Author

Alan Whiting (abw(AT)ast.cam.ac.uk)

Status

approved