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A006926 Number of trivalent graphs of girth exactly 6 and 2n nodes.
(Formerly M3969) 		+0
1
1, 1, 5, 32, 385, 7573, 181224, 4624480, 122089998 (list; graph; listen)
OFFSET

7,3
REFERENCES

CRC Handbook of Combinatorial Designs, 1996, p. 647.

Gordon Royle, personal communication.

CROSSREFS

Sequence in context: A093448 A094653 A135250 this_sequence A014374 A125709 A043068

Adjacent sequences: A006923 A006924 A006925 this_sequence A006927 A006928 A006929

KEYWORD

nonn

AUTHOR

njas

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Last modified July 19 08:04 EDT 2008. Contains 142098 sequences.

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