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.

A187207 Irregular triangle read by rows in which row n lists the k=A000005(n) divisors of n in decreasing order, followed by the lists of their absolute differences up to order k-1.

Table of values

n a(n)
1 1
2 2
3 1
4 1
5 3
6 1
7 2
8 4
9 2
10 1
11 2
12 1
13 1
14 5
15 1
16 4
17 6
18 3
19 2
20 1
21 3
22 1
23 1
24 2
25 0
26 2
27 7
28 1
29 6
30 8
31 4
32 2
33 1
34 4
35 2
36 1
37 2
38 1
39 1
40 9
41 3
42 1
43 6
44 2
45 4
46 10
47 5
48 2
49 1
50 5
51 3
52 1
53 2
54 2
55 0
56 11
57 1
58 10
59 12
60 6
61 4
62 3
63 2
64 1
65 6
66 2
67 1
68 1
69 1
70 4
71 1
72 0
73 0
74 3
75 1
76 0
77 2
78 1
79 1
80 13
81 1
82 12
83 14
84 7
85 2
86 1
87 7
88 5
89 1
90 2
91 4
92 2

List of values

[1, 2, 1, 1, 3, 1, 2, 4, 2, 1, 2, 1, 1, 5, 1, 4, 6, 3, 2, 1, 3, 1, 1, 2, 0, 2, 7, 1, 6, 8, 4, 2, 1, 4, 2, 1, 2, 1, 1, 9, 3, 1, 6, 2, 4, 10, 5, 2, 1, 5, 3, 1, 2, 2, 0, 11, 1, 10, 12, 6, 4, 3, 2, 1, 6, 2, 1, 1, 1, 4, 1, 0, 0, 3, 1, 0, 2, 1, 1, 13, 1, 12, 14, 7, 2, 1, 7, 5, 1, 2, 4, 2]