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.

A263340 Triangle read by rows: T(n,k) is the number of graphs with n vertices containing k triangles.

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 1
5 7
6 2
7 1
8 0
9 1
10 14
11 7
12 5
13 2
14 3
15 1
16 0
17 1
18 0
19 0
20 1
21 38
22 23
23 28
24 14
25 18
26 9
27 7
28 5
29 4
30 1
31 4
32 1
33 1
34 1
35 0
36 0
37 1
38 0
39 0
40 0
41 1
42 107
43 102
44 141
45 117
46 123
47 92
48 80
49 63
50 49
51 35
52 35
53 23
54 15
55 17
56 10
57 4
58 9
59 5
60 2
61 3
62 3
63 2
64 2
65 1
66 0
67 1
68 1
69 0
70 0
71 0
72 1
73 0
74 0
75 0
76 0
77 1

List of values

[1, 1, 2, 3, 1, 7, 2, 1, 0, 1, 14, 7, 5, 2, 3, 1, 0, 1, 0, 0, 1, 38, 23, 28, 14, 18, 9, 7, 5, 4, 1, 4, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 107, 102, 141, 117, 123, 92, 80, 63, 49, 35, 35, 23, 15, 17, 10, 4, 9, 5, 2, 3, 3, 2, 2, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1]