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%I #9 Apr 12 2017 23:23:37
%S 1,6,56,640,8256,115456,1710592,26468352,423641088,6966960128,
%T 117148778496,2006711795712,34918458982400,615857321410560,
%U 10989673088286720,198124551844921344,3604297438589878272,66099459892606664704,1220968511518137122816,22700172671958160244736,424526793381853406429184
%N Column 3 of A285165.
%H Gheorghe Coserea, <a href="/A285166/b285166.txt">Table of n, a(n) for n = 4..104</a>
%H M. Bodirsky, C. Groepl, D. Johannsen and M. Kang, <a href="http://www.emis.de/journals/SLC/wpapers/s54Abogrjoka.html">A Direct Decomposition of 3-connected Planar Graphs</a>, conference paper (FPSAC05).
%Y Cf. A285165.
%K nonn
%O 4,2
%A _Gheorghe Coserea_, Apr 12 2017