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.

A385299 Number of Schröder paths of semilength 2n and having n valleys.

Table of values

n a(n)
0 1
1 1
2 11
3 155
4 2554
5 46377
6 899107
7 18269407
8 384577010
9 8321452706
10 184074021999
11 4145999605431
12 94799675260406
13 2195442934642375
14 51402741095491155
15 1214975868437406375
16 28956949406425290114
17 695214262740084758154
18 16800125921481031616230
19 408354422827279445763942

List of values

[1, 1, 11, 155, 2554, 46377, 899107, 18269407, 384577010, 8321452706, 184074021999, 4145999605431, 94799675260406, 2195442934642375, 51402741095491155, 1214975868437406375, 28956949406425290114, 695214262740084758154, 16800125921481031616230, 408354422827279445763942]

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

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