cp's OEIS Frontend

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.

A281530 Triangle read by rows: T(n,k) = number of terms for the shortest Egyptian fraction representation of k/n, 1 <= k < n.

Table of values

n a(n)
2 1
3 1
4 2
5 1
6 1
7 2
8 1
9 2
10 2
11 3
12 1
13 1
14 1
15 2
16 2
17 1
18 2
19 3
20 2
21 3
22 3
23 1
24 1
25 2
26 1
27 2
28 2
29 3
30 1
31 2
32 1
33 2
34 2
35 2
36 3
37 3
38 1
39 1
40 2
41 2
42 1
43 2
44 2
45 3
46 3
47 1
48 2
49 2
50 2
51 3
52 2
53 3
54 4
55 4
56 4
57 1
58 1
59 1
60 1
61 2
62 1
63 2
64 2
65 2
66 2
67 3
68 1
69 2
70 3
71 3
72 3
73 3
74 2
75 3
76 3
77 3
78 3
79 4
80 1
81 1
82 2
83 2
84 2
85 3
86 1
87 2
88 2
89 3
90 3
91 3
92 4
93 1
94 2
95 1
96 2
97 1
98 2
99 3
100 2
101 2
102 2
103 3
104 3
105 3
106 3

List of values

[1, 1, 2, 1, 1, 2, 1, 2, 2, 3, 1, 1, 1, 2, 2, 1, 2, 3, 2, 3, 3, 1, 1, 2, 1, 2, 2, 3, 1, 2, 1, 2, 2, 2, 3, 3, 1, 1, 2, 2, 1, 2, 2, 3, 3, 1, 2, 2, 2, 3, 2, 3, 4, 4, 4, 1, 1, 1, 1, 2, 1, 2, 2, 2, 2, 3, 1, 2, 3, 3, 3, 3, 2, 3, 3, 3, 3, 4, 1, 1, 2, 2, 2, 3, 1, 2, 2, 3, 3, 3, 4, 1, 2, 1, 2, 1, 2, 3, 2, 2, 2, 3, 3, 3, 3]