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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.

A381563 2-tone chromatic number of a double wheel graph with n vertices.

Table of values

n a(n)
5 9
6 9
7 8
8 8
9 9
10 8
11 8
12 9
13 9
14 9
15 9
16 9
17 9
18 10
19 10
20 10
21 10
22 10
23 10
24 11
25 11
26 11
27 11
28 11
29 11
30 11
31 12
32 12
33 12
34 12
35 12
36 12
37 12
38 12
39 13
40 13
41 13
42 13
43 13
44 13
45 13
46 13
47 13
48 14
49 14
50 14
51 14
52 14
53 14
54 14
55 14
56 14
57 14
58 15
59 15
60 15
61 15
62 15

List of values

[9, 9, 8, 8, 9, 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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