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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.

A243422 Number of Dyck paths of semilength n having exactly 10 (possibly overlapping) occurrences of the consecutive steps UDUUDU (with U=(1,1), D=(1,-1)).

Table of values

n a(n)
22 1
23 23
24 334
25 3793
26 36271
27 304880
28 2319261
29 16302850
30 107540243
31 673544651
32 4041910962
33 23405090601
34 131512656290
35 720269482372
36 3858780032696
37 20281334280042
38 104826233409130
39 533858971182764
40 2683369513323113
41 13330082269584906
42 65522957179453221

List of values

[1, 23, 334, 3793, 36271, 304880, 2319261, 16302850, 107540243, 673544651, 4041910962, 23405090601, 131512656290, 720269482372, 3858780032696, 20281334280042, 104826233409130, 533858971182764, 2683369513323113, 13330082269584906, 65522957179453221]

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

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