Number of non-isomorphic cylindrical arrangements of n pairwise intersecting pseudo-circles on a sphere, in the sense that two cells of the arrangement are separated by each of the pseudo-circles, reduced for mirror symmetry.
A296411
Number of non-isomorphic cylindrical arrangements of n pairwise intersecting pseudo-circles on a sphere, in the sense that two cells of the arrangement are separated by each of the pseudo-circles, reduced for mirror symmetry.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =8a(4) =278a(5) =144395a(6) =436634633
External references
- oeis: A296411