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A185213 Number of disconnected 11-regular graphs with 2n nodes. 9
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 13, 8037887, 945095928322681, 187549741420313256356540, 66398446859255608487987488813721, 43100445877221052008718432480116589483823 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,14

LINKS

Table of n, a(n) for n=0..18.

Jason Kimberley, Index of sequences counting disconnected k-regular simple graphs with girth at least g

CROSSREFS

11-regular simple graphs: A014384 (connected), this sequence (disconnected).

Disconnected regular simple graphs: A068932 (any degree), A068933 (triangular array), specified degree k: A165652 (k=2), A165653 (k=3), A033483 (k=4), A165655 (k=5), A165656 (k=6), A165877 (k=7), A165878 (k=8), A185293 (k=9), A185203 (k=10), this sequence (k=11).

Sequence in context: A128669 A013866 A014384 * A034248 A324270 A177027

Adjacent sequences:  A185210 A185211 A185212 * A185214 A185215 A185216

KEYWORD

nonn,hard,more

AUTHOR

Jason Kimberley, Jan 26 2012

EXTENSIONS

a(15)-a(18) from Andrew Howroyd, May 20 2020

STATUS

approved

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Last modified July 13 22:21 EDT 2020. Contains 335716 sequences. (Running on oeis4.)