login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A177743
The number of strong vertex magic total labelings of the cyclic graph on 2n+1 vertices.
1
1, 1, 9, 31, 308, 3809, 63995, 1152784, 32319312
OFFSET
1,3
COMMENTS
Cyclic graphs on an even number of vertices do not possess strong VMTLs.
CROSSREFS
First column of triangle A177741.
Sequence in context: A160653 A189436 A145950 * A266710 A159279 A048547
KEYWORD
hard,more,nonn
AUTHOR
Jason Kimberley, May 17 2010
STATUS
approved