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A143249 Number of (directed) Hamiltonian circuits in the n-th order Andrásfai graph. 1
0, 2, 10, 290, 17394, 2218778, 473405802, 163347720914, 83473085624962, 61000324824203498 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
Table of n, a(n) for n=1..10.
Eric Weisstein's World of Mathematics, Andrásfai Graph
Eric Weisstein's World of Mathematics, Hamiltonian Cycle
CROSSREFS
Sequence in context: A028580 A171873 A098706 * A161181 A073834 A321267
Adjacent sequences: A143246 A143247 A143248 * A143250 A143251 A143252
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Aug 01 2008
EXTENSIONS
a(7) from Eric W. Weisstein, Dec 16 2013
a(8) from Eric W. Weisstein, Dec 23 2013
a(9) from Eric W. Weisstein, Dec 26 2013
a(10) from Eric W. Weisstein, Apr 08 2014
STATUS
approved

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Last modified August 30 04:38 EDT 2024. Contains 375526 sequences. (Running on oeis4.)