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A156801 Number of equivalence classes of graphs on n nodes up to sequences of edge local complementation and isomorphism. 0
1, 2, 4, 9, 21, 64, 218, 1068, 8038, 114188, 3493965, 235176097 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..12.

L. E. Danielsen and M. G. Parker, Edge local complementation and equivalence of binary linear codes, Des. Codes Cryptogr., 49 (2008), 161-170.

L. E. Danielsen, Database of Pivot Orbits.

CROSSREFS

Sequence in context: A058718 A148076 A217976 * A057580 A129875 A055094

Adjacent sequences:  A156798 A156799 A156800 * A156802 A156803 A156804

KEYWORD

hard,nonn

AUTHOR

Lars Eirik Danielsen (larsed(AT)ii.uib.no), Feb 16 2009

STATUS

approved

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Last modified February 18 09:15 EST 2020. Contains 332011 sequences. (Running on oeis4.)