A244205 - OEIS

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A244205

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

2

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

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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