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A350911
Number of regular digraphs on n unlabeled nodes.
2
1, 1, 2, 3, 6, 11, 56, 609, 39346, 8728237, 6126648298, 14487876826313
OFFSET
0,3
CROSSREFS
Row sums of A350910.
Sequence in context: A065653 A275783 A102021 * A144641 A358237 A294720
KEYWORD
nonn,more
AUTHOR
Andrew Howroyd, Jan 29 2022
STATUS
approved