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A291121
Number of parking functions of length 2n whose maximum element is n.
2
1, 1, 14, 596, 51570, 7499467, 1643722873, 505862470010, 207976214329922, 110082566480231855, 72903763226014970781, 59052859112474311283157, 57431375668375876890521461, 66037761629358556242334308571, 88619376126543463987900902115279
OFFSET
0,3
LINKS
FORMULA
a(n) = A260693(2n,n).
CROSSREFS
Cf. A260693.
Sequence in context: A129007 A041845 A205327 * A279294 A282053 A209678
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Aug 17 2017
STATUS
approved