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A049365 Number of connected planar graphs with n nodes and even degrees (i.e., that are Eulerian). 1

%I #18 Mar 11 2023 07:59:08

%S 1,0,1,1,3,7,21,81,401,2499,18604,158515,1464681,14305475

%N Number of connected planar graphs with n nodes and even degrees (i.e., that are Eulerian).

%C M. Kirchweger, M. Scheucher, and S. Szeider, SAT-Based Generation of Planar Graphs, in preparation.

%Y Inverse Euler transform of A049339.

%K nonn,nice,more,hard

%O 1,5

%A _Brendan McKay_

%E a(12) from _Sean A. Irvine_, Jul 30 2021

%E a(13)-a(14) from _Manfred Scheucher_, Mar 11 2023

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Last modified March 28 17:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)