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.

A057516 Number of sea-level valleys in Catalan mountain ranges encoded by A014486.

Table of values

n a(n)
0 0
1 0
2 1
3 0
4 2
5 1
6 1
7 0
8 0
9 3
10 2
11 2
12 1
13 1
14 2
15 1
16 1
17 0
18 0
19 1
20 0
21 0
22 0
23 4
24 3
25 3
26 2
27 2
28 3
29 2
30 2
31 1
32 1
33 2
34 1
35 1
36 1
37 3
38 2
39 2
40 1
41 1
42 2
43 1
44 1
45 0
46 0
47 1
48 0
49 0
50 0
51 2
52 1
53 1
54 0
55 0
56 1
57 0
58 0
59 0
60 1
61 0
62 0
63 0
64 0
65 5
66 4
67 4
68 3
69 3
70 4
71 3
72 3
73 2
74 2
75 3
76 2
77 2
78 2
79 4
80 3
81 3
82 2
83 2
84 3
85 2
86 2
87 1
88 1
89 2
90 1
91 1
92 1
93 3
94 2
95 2
96 1
97 1
98 2
99 1
100 1
101 1
102 2
103 1
104 1

List of values

[0, 0, 1, 0, 2, 1, 1, 0, 0, 3, 2, 2, 1, 1, 2, 1, 1, 0, 0, 1, 0, 0, 0, 4, 3, 3, 2, 2, 3, 2, 2, 1, 1, 2, 1, 1, 1, 3, 2, 2, 1, 1, 2, 1, 1, 0, 0, 1, 0, 0, 0, 2, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 5, 4, 4, 3, 3, 4, 3, 3, 2, 2, 3, 2, 2, 2, 4, 3, 3, 2, 2, 3, 2, 2, 1, 1, 2, 1, 1, 1, 3, 2, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1]