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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.

A333437 Triangle read by rows: T(n,k) is the number of Egyptian fractions 1 = 1/x_1 + ... + 1/x_k , with 0 < x_1 <= ... <= x_k = n.

Table of values

n a(n)
1 1
2 0
3 1
4 0
5 0
6 1
7 0
8 0
9 1
10 1
11 0
12 0
13 0
14 0
15 1
16 0
17 0
18 1
19 3
20 2
21 1
22 0
23 0
24 0
25 0
26 0
27 0
28 1
29 0
30 0
31 0
32 1
33 3
34 3
35 2
36 1
37 0
38 0
39 0
40 0
41 2
42 2
43 3
44 2
45 1
46 0
47 0
48 0
49 1
50 3
51 6
52 7
53 5
54 3
55 1
56 0
57 0
58 0
59 0
60 0
61 0
62 0
63 0
64 0
65 0
66 1
67 0
68 0
69 0
70 3
71 8
72 15
73 21
74 24
75 20
76 11
77 4
78 1

List of values

[1, 0, 1, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 3, 2, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 3, 3, 2, 1, 0, 0, 0, 0, 2, 2, 3, 2, 1, 0, 0, 0, 1, 3, 6, 7, 5, 3, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 3, 8, 15, 21, 24, 20, 11, 4, 1]

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