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.

A178442 Two numbers k and l we call equivalent if they have the same vector of exponents with positive components in prime power factorization. Let a(1)=1, a(2)=3. Then a(n)>a(n-1) is the smallest number equivalent to n.

Table of values

n a(n)
1 1
2 3
3 5
4 9
5 11
6 14
7 17
8 27
9 49
10 51
11 53
12 63
13 67
14 69
15 74
16 81
17 83
18 98
19 101
20 116
21 118
22 119
23 127
24 135
25 169
26 177
27 343
28 356
29 359
30 366
31 367
32 3125
33 3127
34 3131
35 3133
36 3249
37 3251
38 3254
39 3261
40 3272
41 3299
42 3302
43 3307
44 3308
45 3316
46 3317
47 3319
48 3321
49 3481

List of values

[1, 3, 5, 9, 11, 14, 17, 27, 49, 51, 53, 63, 67, 69, 74, 81, 83, 98, 101, 116, 118, 119, 127, 135, 169, 177, 343, 356, 359, 366, 367, 3125, 3127, 3131, 3133, 3249, 3251, 3254, 3261, 3272, 3299, 3302, 3307, 3308, 3316, 3317, 3319, 3321, 3481]