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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.

A199394 The number of ways to color the vertices of all (11) simple unlabeled graphs on 4 nodes using at most n colors.

Table of values

n a(n)
1 11
2 90
3 357
4 996
5 2255
6 4446
7 7945
8 13192
9 20691
10 31010
11 44781
12 62700
13 85527
14 114086
15 149265
16 192016
17 243355
18 304362
19 376181
20 460020
21 557151
22 668910
23 796697
24 941976
25 1106275
26 1291186
27 1498365
28 1729532
29 1986471
30 2271030
31 2585121
32 2930720
33 3309867
34 3724666

List of values

[11, 90, 357, 996, 2255, 4446, 7945, 13192, 20691, 31010, 44781, 62700, 85527, 114086, 149265, 192016, 243355, 304362, 376181, 460020, 557151, 668910, 796697, 941976, 1106275, 1291186, 1498365, 1729532, 1986471, 2271030, 2585121, 2930720, 3309867, 3724666]

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

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