A002856 - OEIS

A002856

Number of polyhedra with n nodes and n faces.
(Formerly M1864 N0739)

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

(list; graph; refs; listen; history; text; internal format)

OFFSET

4,3

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.

CROSSREFS

One of the main diagonals of A212438.

KEYWORD

nonn,hard,more,nice

AUTHOR

EXTENSIONS

More terms from Gerard P. Michon, Mar 29 2002

STATUS

approved