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A000287 Number of rooted polyhedral graphs with n edges.
(Formerly M3290 N1326)
+0
2
1, 0, 4, 6, 24, 66, 214, 676, 2209, 7296, 24460, 82926, 284068, 981882, 3421318, 12007554, 42416488, 150718770, 538421590, 1932856590, 6969847486 (list; graph; listen)
OFFSET

6,3

REFERENCES

A. J. W. Duijvestijn and P. J. Federico, The number of polyhedral (3-connected planar) graphs. Math. Comp. 37 (1981), no. 156, 523-532.

Handbook of Combinatorics, North-Holland '95, p. 892. (Gives different last term)

W. T. Tutte, A new branch of enumerative graph theory, Bull. Amer. Math. Soc., 68 (1962), 500-504.

W. T. Tutte, A census of planar maps, Canad. J. Math., 15 (1963), 249-271.

CROSSREFS

Cf. A000256.

Adjacent sequences: A000284 A000285 A000286 this_sequence A000288 A000289 A000290

Sequence in context: A034458 A067001 A057343 this_sequence A032087 A136591 A009459

KEYWORD

nonn,nice

AUTHOR

njas, Simon Plouffe (plouffe(AT)math.uqam.ca)

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.


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