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A296412 Number of non-isomorphic digon-free 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. 8
1, 1, 1, 1, 2, 14, 2131, 3012906 (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: A156736 A334247 A277288 * A296410 A006266 A284378

Adjacent sequences:  A296409 A296410 A296411 * A296413 A296414 A296415

KEYWORD

nonn,more

AUTHOR

Manfred Scheucher, Dec 11 2017

STATUS

approved

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Last modified September 26 16:43 EDT 2020. Contains 337374 sequences. (Running on oeis4.)