A156801 Number of equivalence classes of graphs on n nodes up to sequences of edge local complementation and isomorphism.

1, 2, 4, 9, 21, 64, 218, 1068, 8038, 114188, 3493965, 235176097

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.

Anatoly Dymarsky and Alfred Shapere, Quantum stabilizer codes, lattices, and CFTs, arXiv:2009.01244 [hep-th], 2020.

Crossrefs

Sequence in context: A058718 A148076 A217976 * A363771 A057580 A129875

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