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.

A379545 Triangle read by rows where row n lists powerful divisors d | n (i.e., d in A001694).

Table of values

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

List of values

[1, 1, 1, 1, 4, 1, 1, 1, 1, 4, 8, 1, 9, 1, 1, 1, 4, 1, 1, 1, 1, 4, 8, 16, 1, 1, 9, 1, 1, 4, 1, 1, 1, 1, 4, 8, 1, 25, 1, 1, 9, 27, 1, 4, 1, 1, 1, 1, 4, 8, 16, 32, 1, 1, 1, 1, 4, 9, 36, 1, 1, 1, 1, 4, 8, 1, 1, 1, 1, 4, 1, 9, 1, 1, 1, 4, 8, 16, 1, 49, 1, 25, 1, 1, 4]