A002560 - OEIS

A002560

Number of polygonal graphs.
(Formerly M3203 N1295)

1, 1, 4, 2, 7, 5, 15, 6, 37, 13, 36, 32, 37, 34, 73, 58, 183, 150, 262, 186, 1009, 420, 707, 703, 760, 1180, 4639

(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

Table of n, a(n) for n=4..30.

M. A. Sainte-Laguë, Les Réseaux (ou Graphes), Mémorial des Sciences Mathématiques, Fasc. 18, Gauthier-Villars, Paris, 1923, 64 pages. See p. 41.

M. A. Sainte-Laguë, Les Réseaux (ou Graphes), Mémorial des Sciences Mathématiques, Fasc. 18, Gauthier-Villars, Paris, 1923, 64 pages. See p. 41. [Incomplete annotated scan of title page and pages 18-51]

CROSSREFS

Sequence in context: A194075 A271479 A259927 * A124908 A260593 A143370

Adjacent sequences: A002557 A002558 A002559 * A002561 A002562 A002563

KEYWORD

nonn,more

AUTHOR

N. J. A. Sloane

EXTENSIONS

Reference corrected by Georg Muntingh, Jul 07 2009

STATUS

approved