A377920 Number of 3-connected Schnyder labelings with n inner faces in the quadrangular dissection.

0, 0, 3, 2, 3, 6, 14, 36, 102, 306, 972, 3216, 11050, 39138, 142446, 530656, 2018352, 7818864, 30792396, 123075000, 498564768, 2044416718, 8477328954, 35513219388, 150179868736, 640638311244, 2754973241580, 11936532238388, 52080345520680, 228720427370874, 1010627725860522

Offset: 0

Author

N. J. A. Sloane, Dec 13 2024

Keywords

• nonn

Links

• Éric Fusy, E. Narmanli, and G. Schaeffer, Enumeration of corner polyhedra and 3-connected Schnyder labelings, arXiv preprint arXiv:2202.09172 [math.CO], 2022-2023. See s_n.

Crossrefs

Cf. A377921, A377922, A377923.

Extensions

a(13) onwards from Éric Fusy, Dec 14 2024