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A219892
Number of directed 5-regular graphs on n nodes.
7
1, 4, 624, 1104045, 2983458766, 10922621656743
OFFSET
6,2
LINKS
Gunnar Brinkmann, Generating regular directed graphs, Discrete Math., 313 (2012), 1-7.
CROSSREFS
Column k=5 of A350910.
Sequence in context: A215920 A210853 A232620 * A079103 A191953 A169619
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Nov 30 2012
STATUS
approved