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.

A275420 Triangle read by rows: T(n,k) = number of graphs with n nodes and k connected regular components.

Table of values

n a(n)
1 1
2 1
3 1
4 1
5 1
6 1
7 2
8 2
9 1
10 1
11 2
12 3
13 2
14 1
15 1
16 5
17 5
18 4
19 2
20 1
21 1
22 4
23 9
24 6
25 4
26 2
27 1
28 1
29 17
30 14
31 12
32 7
33 4
34 2
35 1
36 1
37 22
38 30
39 19
40 13
41 7
42 4
43 2
44 1
45 1
46 167
47 56
48 42
49 22
50 14
51 7
52 4
53 2
54 1
55 1
56 539
57 224
58 74
59 47
60 23
61 14
62 7
63 4
64 2
65 1
66 1
67 18979
68 785
69 271
70 87
71 50
72 24
73 14
74 7
75 4
76 2
77 1
78 1
79 389436
80 19783

List of values

[1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 3, 2, 1, 1, 5, 5, 4, 2, 1, 1, 4, 9, 6, 4, 2, 1, 1, 17, 14, 12, 7, 4, 2, 1, 1, 22, 30, 19, 13, 7, 4, 2, 1, 1, 167, 56, 42, 22, 14, 7, 4, 2, 1, 1, 539, 224, 74, 47, 23, 14, 7, 4, 2, 1, 1, 18979, 785, 271, 87, 50, 24, 14, 7, 4, 2, 1, 1, 389436, 19783]