A002856 Number of polyhedra with n nodes and n faces.

1, 1, 2, 8, 42, 296, 2635, 25626, 268394, 2937495, 33310550, 388431688, 4637550072, 56493493990, 700335433295

Offset: 4

Author

N. J. A. Sloane

Keywords

• nonn
• hard
• more
• nice

References

• N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
• N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

• P. J. Federico, Enumeration of polyhedra: the number of 9-hedra, J. Combin. Theory, 7 (1969), 155-161.
• Kyu-Hwan Lee, Se-jin Oh, Catalan triangle numbers and binomial coefficients, arXiv:1601.06685 [math.CO], 2016.
• G. P. Michon, Counting Polyhedra

Crossrefs

One of the main diagonals of A212438.

Extensions

More terms from Gerard P. Michon, Mar 29 2002