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A348766 Number of unsensed 4-regular maps with 2*n edges on the Klein bottle. 1
2, 17, 182, 2480, 39386, 683425, 12420653, 231663025, 4389204048, 8404711549, 1622042005924, 31498163968678, 614779607286912, 12051129466850869 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
REFERENCES
Krasko, Evgeniy, and Alexander Omelchenko. "Enumeration of unsensed r-regular maps on the projective plane and the Klein bottle." Discrete Mathematics 344.11 (2021): #112528.
LINKS
CROSSREFS
Sequence in context: A058010 A242428 A199751 * A367839 A126752 A234461
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Oct 31 2021
STATUS
approved

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)