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.

A057515 Number of separate "mountains" in mountain ranges encoded by A014486, number of bottom branches (trunks) in the corresponding rooted plane trees, i.e., the degree of the root node.

Table of values

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

List of values

[0, 1, 2, 1, 3, 2, 2, 1, 1, 4, 3, 3, 2, 2, 3, 2, 2, 1, 1, 2, 1, 1, 1, 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, 1, 1, 6, 5, 5, 4, 4, 5, 4, 4, 3, 3, 4, 3, 3, 3, 5, 4, 4, 3, 3, 4, 3, 3, 2, 2, 3, 2, 2, 2, 4, 3, 3, 2, 2, 3, 2, 2, 2, 3, 2, 2]