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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.

A103948 a(n) is the number of distinct n-th powers of functions {1, 2, 3} -> {1, 2, 3}.

Table of values

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

List of values

[1, 27, 12, 19, 12, 21, 10, 21, 12, 19, 12, 21, 10, 21, 12, 19, 12, 21, 10, 21, 12, 19, 12, 21, 10, 21, 12, 19, 12, 21, 10, 21, 12, 19, 12, 21, 10, 21, 12, 19, 12, 21, 10, 21, 12, 19, 12, 21, 10, 21, 12, 19, 12, 21, 10, 21, 12, 19, 12, 21, 10, 21, 12, 19, 12, 21, 10, 21, 12, 19]

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

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