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A243671
Number of Sylvester classes of 2-parking functions of length n.
0
1, 5, 40, 407, 4797
OFFSET
1,2
COMMENTS
See Novelli-Thibon (2014) for precise definition.
LINKS
J.-C. Novelli, J.-Y. Thibon, Hopf Algebras of m-permutations,(m+1)-ary trees, and m-parking functions, arXiv preprint arXiv:1403.5962, 2014. See Fig. 21.
CROSSREFS
Sequence in context: A371372 A143437 A306029 * A375456 A083304 A375954
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jun 14 2014
STATUS
approved