A241780 Number of standard Young tableaux with n cells and exactly nine successions.

1, 5, 42, 238, 1499, 8635, 50873, 294903, 1724689, 10094399, 59679199, 355198229, 2136972743, 12972026795, 79626155414, 493684963581, 3095482758334, 19612796554079, 125656314294772, 813576800235695, 5325370849930701, 35223931484275717, 235474448496780769

Offset: 10

Author

Joerg Arndt and Alois P. Heinz, Apr 28 2014

Keywords

• nonn

Comments

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

Also number of ballot sequences having nine flat steps.

Crossrefs

Column k=9 of A238125.