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A348767 Number of unsensed 3-regular maps with 3*n edges on the Klein bottle. 3

%I

%S 2,12,72,570,4948,48258,494559,5264665,57216730,630853639,7023102071,

%T 78752243387,888014678913,10058897467374

%N Number of unsensed 3-regular maps with 3*n edges on the Klein bottle.

%D 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.

%Y Cf. A348764-A348766.

%K nonn,more

%O 1,1

%A _N. J. A. Sloane_, Oct 31 2021

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Last modified June 28 08:51 EDT 2022. Contains 354903 sequences. (Running on oeis4.)