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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
OFFSET
11,2
COMMENTS
Also number of ballot sequences of length n having largest ascent 9.
CROSSREFS
Column k=9 of A238128 and of A238129.
Sequence in context: A170693 A120673 A120674 * A016123 A353148 A015457
KEYWORD
nonn
AUTHOR
Joerg Arndt and Alois P. Heinz, Jun 22 2014
STATUS
approved