cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A241802 Number of ballot sequences of length n having exactly nine descents.

Table of values

n a(n)
14 5
15 555
16 24060
17 595052
18 10131071
19 131722015
20 1394425753
21 12538397433
22 98654859370
23 694083988620
24 4440550793116
25 26165677158969
26 143525057166497
27 738895115800678
28 3596200018311737
29 16639581043371855
30 73574528888085621
31 312133508358624077
32 1275409396131467499

List of values

[5, 555, 24060, 595052, 10131071, 131722015, 1394425753, 12538397433, 98654859370, 694083988620, 4440550793116, 26165677158969, 143525057166497, 738895115800678, 3596200018311737, 16639581043371855, 73574528888085621, 312133508358624077, 1275409396131467499]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.