The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A076434 (Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
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A076434

Number of weakly regular simple graphs on n nodes.
(history; published version)

#16 by Charles R Greathouse IV at Sun Feb 16 08:32:47 EST 2025

LINKS

Eric Weisstein's World of Mathematics, <a href="httphttps://mathworld.wolfram.com/WeaklyRegularGraph.html">Weakly Regular Graph</a>

Discussion

Sun Feb 16

08:32

OEIS Server: https://oeis.org/edit/global/3014

#15 by Alois P. Heinz at Tue Sep 03 19:50:35 EDT 2019

STATUS

proposed

approved

#14 by Andrew Howroyd at Tue Sep 03 15:43:32 EDT 2019

STATUS

editing

proposed

#13 by Andrew Howroyd at Tue Sep 03 15:04:53 EDT 2019

FORMULA

a(n) = A005176(n) - A076435(n). - Andrew Howroyd, Sep 03 2019

CROSSREFS

Cf. A000517A005176 (regular simple graphs on n nodes).

STATUS

approved

editing

#12 by Susanna Cuyler at Mon Oct 30 17:59:30 EDT 2017

STATUS

proposed

approved

#11 by Eric W. Weisstein at Mon Oct 30 17:54:25 EDT 2017

STATUS

editing

proposed

#10 by Eric W. Weisstein at Mon Oct 30 17:54:23 EDT 2017

CROSSREFS

Cf. A294405 (connected weakly regular graphs on n nodes).

Cf. A076435 (strongly regular simple graphs on n nodes.).

#9 by Eric W. Weisstein at Mon Oct 30 17:53:58 EDT 2017

CROSSREFS

Cf. A000517, A076435.

Cf. A294405(connected weakly regular graphs on n nodes).

Cf. A076435 (strongly regular simple graphs on n nodes.).

STATUS

approved

editing

#8 by Bruno Berselli at Mon Oct 30 12:35:09 EDT 2017

STATUS

proposed

approved

#7 by Eric W. Weisstein at Mon Oct 30 12:14:54 EDT 2017

STATUS

editing

proposed