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.

A186716 Irregular triangle C(n,k): the number of connected k-regular graphs on n vertices having girth at least six.

Table of values

n a(n)
1 1
2 0
3 1
4 0
5 0
6 0
7 0
8 0
9 0
10 0
11 0
12 1
13 0
14 0
15 1
16 0
17 0
18 1
19 0
20 0
21 1
22 0
23 0
24 1
25 0
26 0
27 1
28 0
29 0
30 1
31 0
32 0
33 1
34 0
35 0
36 1
37 1
38 0
39 0
40 1
41 0
42 0
43 0
44 1
45 1
46 0
47 0
48 1
49 0
50 0
51 0
52 1
53 5
54 0
55 0
56 1
57 0
58 0
59 0
60 1
61 32
62 0
63 0
64 1
65 0
66 0
67 0
68 1
69 385
70 0
71 0
72 1
73 0
74 0
75 0
76 1
77 7574
78 0
79 0
80 1
81 0
82 0
83 0
84 1
85 181227
86 1
87 0
88 0
89 1
90 0
91 0
92 0
93 0
94 1

List of values

[1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 0, 1, 5, 0, 0, 1, 0, 0, 0, 1, 32, 0, 0, 1, 0, 0, 0, 1, 385, 0, 0, 1, 0, 0, 0, 1, 7574, 0, 0, 1, 0, 0, 0, 1, 181227, 1, 0, 0, 1, 0, 0, 0, 0, 1]