OFFSET
3,1
COMMENTS
Listed in accordance with OEIS policy of including published but erroneous sequences, to serve as pointers to the correct versions.
REFERENCES
Araujo-Pardo, Gabriela, Geoffrey Exoo, and Robert Jajcay. "Small bi-regular graphs of even girth." Discrete Mathematics 339.2 (2016): 658-667.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jan 04 2016
STATUS
approved