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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.

A090414 Triangular array read by rows, 1<=k<=n: T(n,k) = smallest prime that in binary representation is not contained in n^k.

Table of values

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

List of values

[2, 3, 3, 2, 3, 7, 3, 3, 3, 3, 3, 5, 11, 5, 7, 5, 3, 7, 3, 5, 7, 2, 5, 13, 7, 11, 13, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 7, 7, 11, 19, 19, 17, 13, 3, 5, 11, 5, 7, 11, 7, 17, 17, 13, 7, 5, 7, 5, 23, 7, 13, 7, 7, 17, 17, 5, 3, 7, 3, 5, 7, 7, 7, 5, 11, 17, 19]

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