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.

A344852 Number of rooted binary trees with n leaves with minimal Symmetry Nodes Index (SNI) or, equivalently, with the maximal number of symmetry nodes.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 3
8 1
9 1
10 1
11 3
12 1
13 3
14 3
15 15
16 1
17 1
18 1
19 3
20 1
21 3
22 3
23 15
24 1
25 3
26 3
27 15
28 3
29 15
30 15
31 105
32 1
33 1
34 1
35 3
36 1
37 3
38 3
39 15
40 1
41 3
42 3
43 15
44 3
45 15
46 15
47 105
48 1
49 3
50 3
51 15
52 3
53 15
54 15
55 105
56 3
57 15
58 15
59 105
60 15
61 105
62 105
63 945
64 1
65 1
66 1
67 3
68 1
69 3
70 3
71 15
72 1
73 3
74 3
75 15
76 3
77 15
78 15
79 105
80 1
81 3
82 3
83 15
84 3
85 15
86 15
87 105
88 3
89 15
90 15
91 105
92 15
93 105
94 105
95 945
96 1

List of values

[1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 3, 1, 3, 3, 15, 1, 1, 1, 3, 1, 3, 3, 15, 1, 3, 3, 15, 3, 15, 15, 105, 1, 1, 1, 3, 1, 3, 3, 15, 1, 3, 3, 15, 3, 15, 15, 105, 1, 3, 3, 15, 3, 15, 15, 105, 3, 15, 15, 105, 15, 105, 105, 945, 1, 1, 1, 3, 1, 3, 3, 15, 1, 3, 3, 15, 3, 15, 15, 105, 1, 3, 3, 15, 3, 15, 15, 105, 3, 15, 15, 105, 15, 105, 105, 945, 1]