|
| |
|
|
A288554
|
|
Number of arrangements of n circles in the affine plane with the property that every circle intersects all the other circles.
|
|
24
|
| |
|
|
|
OFFSET
|
0,4
|
|
|
COMMENTS
|
See A250001, the main entry for this problem, for further information.
|
|
|
LINKS
|
Table of n, a(n) for n=0..5.
Jon Wild, Figure showing relationship between A250001, A275923, A275924, and A288554 for n=3 circles
|
|
|
CROSSREFS
|
Cf. A250001, A275923, A275924, A288554-A288568.
Sequence in context: A102894 A132552 A189273 * A288562 A222899 A119729
Adjacent sequences: A288551 A288552 A288553 * A288555 A288556 A288557
|
|
|
KEYWORD
|
nonn,more
|
|
|
AUTHOR
|
N. J. A. Sloane, Jun 12 2017, based on information supplied by Jon Wild on Aug 31 2016.
|
|
|
STATUS
|
approved
|
| |
|
|
