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%I #4 Oct 31 2021 17:12:26
%S 2,6,29,153,1015,7572,62316,548575,5069705,48490576,475784885,
%T 4760060954,48363620851,497636022164
%N Number of unsensed 4-regular maps with 2*n edges on the projective plane.
%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. A348765-A348767.
%K nonn,more
%O 1,1
%A _N. J. A. Sloane_, Oct 31 2021
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