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A241800 Number of ballot sequences of length n having exactly seven descents. 2
32, 1310, 26159, 349021, 3537427, 29216728, 205795528, 1274811402, 7106683612, 36230838069, 171229815244, 757346853197, 3162754360421, 12546713825786, 47572219652564, 173111049909503, 607264725020735, 2059610656640095, 6776341942347065, 21674530092011291 (list; graph; refs; listen; history; text; internal format)
OFFSET

12,1

LINKS

Table of n, a(n) for n=12..31.

CROSSREFS

Column k=7 of A238121 and of A238122.

Sequence in context: A275141 A275036 A274732 * A231040 A254152 A160447

Adjacent sequences:  A241797 A241798 A241799 * A241801 A241802 A241803

KEYWORD

nonn

AUTHOR

Joerg Arndt and Alois P. Heinz, Apr 28 2014

STATUS

approved

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Last modified September 22 06:48 EDT 2019. Contains 327287 sequences. (Running on oeis4.)