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URL: https://oeis.org/A294405

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A294405
Number of connected weakly regular graphs on n nodes.
2
0, 0, 0, 0, 0, 2, 3, 14, 19, 162
OFFSET
1,6
LINKS
Eric Weisstein's World of Mathematics, Connected Graph
Eric Weisstein's World of Mathematics, Weakly Regular Graph
FORMULA
a(n) = A005177(n) - A088741(n). - Andrew Howroyd, Sep 03 2019
CROSSREFS
Cf. A005177 (connected regular graphs).
Cf. A076434 (not-necessarily connected weakly regular graphs).
Cf. A088741 (connected strongly regular graphs).
Sequence in context: A266694 A284928 A374232 * A160218 A208983 A337609
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Oct 30 2017
STATUS
approved