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A296410 Number of non-isomorphic digon-free arrangements of n pairwise intersecting pseudo-circles on a sphere, reduced for mirror symmetry. 0
1, 1, 1, 1, 2, 14, 2131, 3012972 (list; graph; refs; listen; history; text; internal format)
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

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Last modified September 23 04:54 EDT 2020. Contains 337295 sequences. (Running on oeis4.)