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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.

A248147 Table read by rows: n-th row contains all consecutive subsets of the first n primes in their natural order.

Table of values

n a(n)
1 2
2 2
3 3
4 2
5 3
6 2
7 3
8 5
9 2
10 3
11 3
12 5
13 2
14 3
15 5
16 2
17 3
18 5
19 7
20 2
21 3
22 3
23 5
24 5
25 7
26 2
27 3
28 5
29 3
30 5
31 7
32 2
33 3
34 5
35 7
36 2
37 3
38 5
39 7
40 11
41 2
42 3
43 3
44 5
45 5
46 7
47 7
48 11
49 2
50 3
51 5
52 3
53 5
54 7
55 5
56 7
57 11
58 2
59 3
60 5
61 7
62 3
63 5
64 7
65 11
66 2
67 3
68 5
69 7
70 11
71 2
72 3
73 5
74 7
75 11
76 13
77 2
78 3
79 3
80 5
81 5
82 7
83 7
84 11

List of values

[2, 2, 3, 2, 3, 2, 3, 5, 2, 3, 3, 5, 2, 3, 5, 2, 3, 5, 7, 2, 3, 3, 5, 5, 7, 2, 3, 5, 3, 5, 7, 2, 3, 5, 7, 2, 3, 5, 7, 11, 2, 3, 3, 5, 5, 7, 7, 11, 2, 3, 5, 3, 5, 7, 5, 7, 11, 2, 3, 5, 7, 3, 5, 7, 11, 2, 3, 5, 7, 11, 2, 3, 5, 7, 11, 13, 2, 3, 3, 5, 5, 7, 7, 11]

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