A296410 Number of non-isomorphic digon-free arrangements of n pairwise intersecting pseudo-circles on a sphere, reduced for mirror symmetry.

1, 1, 1, 1, 2, 14, 2131, 3012972

Offset

0,5

Comments

For more information, see A296406.

Links

Table of n, a(n) for n=0..7.

Crossrefs

Cf. A250001, A275923, A275924, A288554-A288568, A296406, A296407-A296412, A006248.

Sequence in context: A334247 A277288 A296412 * A006266 A284378 A106484

Adjacent sequences: A296407 A296408 A296409 * A296411 A296412 A296413

Keyword

nonn,more

Author

Manfred Scheucher, Dec 11 2017

Status

approved