A244205 Number of ballot sequences of length n having largest descent 9.

1, 12, 133, 1125, 9238, 68619, 499415, 3490873, 24131903, 163571510, 1103866052, 7385297559, 49389978105, 329450566234, 2201955344742, 14731655532265, 98920296206493, 666337183741714, 4510099063773320, 30665172472203015, 209659934046564822, 1441217280964444721

Offset

11,2

Comments

Also number of ballot sequences of length n having largest ascent 9.

Links

Table of n, a(n) for n=11..32.

Crossrefs

Column k=9 of A238128 and of A238129.

Sequence in context: A170693 A120673 A120674 * A016123 A353148 A015457

Adjacent sequences: A244202 A244203 A244204 * A244206 A244207 A244208

Keyword

nonn

Author

Joerg Arndt and Alois P. Heinz, Jun 22 2014

Status

approved