A243678 Number of meta-Sylvester classes of 2-parking functions of length n.

1, 5, 45, 585, 9944

Offset

1,2

Comments

See Novelli-Thibon (2014) for precise definition.

Links

Table of n, a(n) for n=1..5.

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. 24.

Crossrefs

Sequence in context: A375951 A174495 A121414 * A097328 A051539 A007696

Adjacent sequences: A243675 A243676 A243677 * A243679 A243680 A243681

Keyword

nonn,more

Author

N. J. A. Sloane, Jun 14 2014

Status

approved