A288545 Number of Dyck paths of semilength n such that the minimal number of peaks over all positive levels equals six.

1, 0, 0, 0, 0, 0, 0, 7, 155, 1204, 4998, 13741, 29267, 55349, 102376, 193208, 409627, 1347712, 7473133, 45994799, 252030406, 1193376317, 4965089180, 18572616542, 63817902108, 205352302948, 630165870922, 1881098184612, 5604337663494, 17257834349925

Offset

6,8

Links

Alois P. Heinz, Table of n, a(n) for n = 6..300

Wikipedia, Counting lattice paths

Crossrefs

Column k=6 of A288387.

Cf. A000108.

Sequence in context: A214382 A141835 A111831 * A139226 A220367 A220311

Adjacent sequences: A288542 A288543 A288544 * A288546 A288547 A288548

Keyword

nonn

Author

Alois P. Heinz, Jun 11 2017

Status

approved