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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.

A248141 Table read by rows: n-th row contains all subsets of consecutive numbers of 1..n.

Table of values

n a(n)
1 1
2 1
3 2
4 1
5 2
6 1
7 2
8 3
9 1
10 2
11 2
12 3
13 1
14 2
15 3
16 1
17 2
18 3
19 4
20 1
21 2
22 2
23 3
24 3
25 4
26 1
27 2
28 3
29 2
30 3
31 4
32 1
33 2
34 3
35 4
36 1
37 2
38 3
39 4
40 5
41 1
42 2
43 2
44 3
45 3
46 4
47 4
48 5
49 1
50 2
51 3
52 2
53 3
54 4
55 3
56 4
57 5
58 1
59 2
60 3
61 4
62 2
63 3
64 4
65 5
66 1
67 2
68 3
69 4
70 5
71 1
72 2
73 3
74 4
75 5
76 6
77 1
78 2
79 2
80 3
81 3
82 4
83 4
84 5
85 5
86 6

List of values

[1, 1, 2, 1, 2, 1, 2, 3, 1, 2, 2, 3, 1, 2, 3, 1, 2, 3, 4, 1, 2, 2, 3, 3, 4, 1, 2, 3, 2, 3, 4, 1, 2, 3, 4, 1, 2, 3, 4, 5, 1, 2, 2, 3, 3, 4, 4, 5, 1, 2, 3, 2, 3, 4, 3, 4, 5, 1, 2, 3, 4, 2, 3, 4, 5, 1, 2, 3, 4, 5, 1, 2, 3, 4, 5, 6, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6]

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