A285166 Column 3 of A285165.

1, 6, 56, 640, 8256, 115456, 1710592, 26468352, 423641088, 6966960128, 117148778496, 2006711795712, 34918458982400, 615857321410560, 10989673088286720, 198124551844921344, 3604297438589878272, 66099459892606664704, 1220968511518137122816, 22700172671958160244736, 424526793381853406429184

Offset: 4

Author

Gheorghe Coserea, Apr 12 2017

Keywords

• nonn

Links

• Gheorghe Coserea, Table of n, a(n) for n = 4..104
• M. Bodirsky, C. Groepl, D. Johannsen and M. Kang, A Direct Decomposition of 3-connected Planar Graphs, conference paper (FPSAC05).

Crossrefs

Cf. A285165.