A293245 Number of matchings in the n-transposition graph.

1, 2, 34, 161966673

Offset

1,2

Links

Table of n, a(n) for n=1..4.

Eric Weisstein's World of Mathematics, Independent Edge Set

Eric Weisstein's World of Mathematics, Matching

Eric Weisstein's World of Mathematics, Transposition Graph

Crossrefs

Sequence in context: A230244 A365881 A045529 * A077747 A041012 A291162

Adjacent sequences: A293242 A293243 A293244 * A293246 A293247 A293248

Keyword

nonn,more

Author

Eric W. Weisstein, Oct 03 2017

Status

approved