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A112614 Related to enumeration of branched orientable surface coverings over a non-orientable surface. 0
15, 14120, 371515454 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

See reference for more information.

LINKS

Table of n, a(n) for n=1..3.

I. P. Goulden, J. H. Kwak and J. Lee, Enumerating branched orientable surface coverings over a non-orientable surface, Discr. Math. 303 (2005), 42-55.

CROSSREFS

Sequence in context: A271406 A208299 A282945 * A238634 A198521 A354062

Adjacent sequences:  A112611 A112612 A112613 * A112615 A112616 A112617

KEYWORD

nonn,bref

AUTHOR

N. J. A. Sloane, Dec 23 2005

STATUS

approved

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Last modified June 25 10:04 EDT 2022. Contains 354844 sequences. (Running on oeis4.)