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A293242
Number of matchings in the n-permutation star graph.
0
1, 2, 18, 1157484
OFFSET
1,2
LINKS
Eric Weisstein's World of Mathematics, Independent Edge Set
Eric Weisstein's World of Mathematics, Matching
Eric Weisstein's World of Mathematics, Permutation Star Graph
CROSSREFS
Sequence in context: A349886 A007184 A067765 * A321339 A086367 A321340
KEYWORD
nonn,more
AUTHOR
Eric W. Weisstein, Oct 03 2017
STATUS
approved