A241776 Number of standard Young tableaux with n cells and exactly five successions.

1, 3, 17, 69, 322, 1408, 6440, 29555, 139005, 662522, 3228150, 15994167, 80849918, 415684406, 2177223330, 11594426886, 62826444538, 345909306526, 1935762918301, 10999013559517, 63460591709283, 371497097807233, 2206388300667674, 13286470507994738

Offset

6,2

Comments

A succession is a pair of cells (v, v+1) lying in the same row.

Also number of ballot sequences having five flat steps.

Links

Table of n, a(n) for n=6..29.

Crossrefs

Column k=5 of A238125.

Sequence in context: A034566 A357923 A069468 * A270231 A265919 A317452

Adjacent sequences: A241773 A241774 A241775 * A241777 A241778 A241779

Keyword

nonn

Author

Joerg Arndt and Alois P. Heinz, Apr 28 2014

Status

approved