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Number of n-node planar graphs with minimum degree at least 1.
1

%I #10 Aug 13 2021 18:17:55

%S 0,1,2,7,22,109,680,6144,72887,1061063,17540092,314631443

%N Number of n-node planar graphs with minimum degree at least 1.

%Y Cf. A005470.

%K nonn,nice,hard

%O 1,3

%A _Brendan McKay_

%E a(12) from _Sean A. Irvine_, Aug 13 2021