Number of connected one-sided arrangements of n pseudo-circles in the affine plane, in the sense that the union of the solid pseudo-circles is a connected set.
A288564
Number of connected one-sided arrangements of n pseudo-circles in the affine plane, in the sense that the union of the solid pseudo-circles is a connected set.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =11a(4) =183a(5) =30408
External references
- oeis: A288564