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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.

A377070 Irregular triangle where row n lists m such that rad(m) | n and bigomega(m) = bigomega(n), where rad = A007947 and bigomega = A001222.

Table of values

n a(n)
1 1
2 2
3 3
4 4
5 5
6 4
7 6
8 9
9 7
10 8
11 9
12 4
13 10
14 25
15 11
16 8
17 12
18 18
19 27
20 13
21 4
22 14
23 49
24 9
25 15
26 25
27 16
28 17
29 8
30 12
31 18
32 27
33 19
34 8
35 20
36 50
37 125
38 9
39 21
40 49
41 4
42 22
43 121
44 23
45 16
46 24
47 36
48 54
49 81
50 25
51 4
52 26
53 169
54 27
55 8
56 28
57 98
58 343
59 29
60 8
61 12
62 18
63 20
64 27
65 30
66 45
67 50
68 75
69 125
70 31

List of values

[1, 2, 3, 4, 5, 4, 6, 9, 7, 8, 9, 4, 10, 25, 11, 8, 12, 18, 27, 13, 4, 14, 49, 9, 15, 25, 16, 17, 8, 12, 18, 27, 19, 8, 20, 50, 125, 9, 21, 49, 4, 22, 121, 23, 16, 24, 36, 54, 81, 25, 4, 26, 169, 27, 8, 28, 98, 343, 29, 8, 12, 18, 20, 27, 30, 45, 50, 75, 125, 31]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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