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A037233 Order of (4,n) cage, i.e. minimal order of 4-regular graph of girth n. 5
2, 5, 8, 19, 26, 67, 80 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

LINKS

Andries E. Brouwer, Cages

G. Exoo and R. Jajcay, Dynamic cage survey, Electr. J. Combin. 15 (2008).

Gordon Royle, Cages of higher valency

Eric Weisstein's World of Mathematics, Cage Graph (claims too much)

CROSSREFS

Cf. A000066, A054760.

Sequence in context: A152006 A197211 A032063 * A133147 A082630 A025078

Adjacent sequences:  A037230 A037231 A037232 * A037234 A037235 A037236

KEYWORD

hard,nonn

AUTHOR

Erich Friedman (erich.friedman(AT)stetson.edu)

EXTENSIONS

Edited by Jason Kimberley (Jason.Kimberley(AT)newcastle.edu.au), Apr 25 2010

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Last modified February 16 03:44 EST 2012. Contains 205860 sequences.