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.

A376251 Numbers that have a second-largest exponent in their prime factorization and it is smaller by 1 than the largest exponent.

Table of values

n a(n)
1 12
2 18
3 20
4 28
5 44
6 45
7 50
8 52
9 60
10 63
11 68
12 72
13 75
14 76
15 84
16 90
17 92
18 98
19 99
20 108
21 116
22 117
23 124
24 126
25 132
26 140
27 147
28 148
29 150
30 153
31 156
32 164
33 171
34 172
35 175
36 180
37 188
38 198
39 200
40 204
41 207
42 212
43 220
44 228
45 234
46 236
47 242
48 244
49 245
50 252
51 260
52 261
53 268
54 275
55 276
56 279

List of values

[12, 18, 20, 28, 44, 45, 50, 52, 60, 63, 68, 72, 75, 76, 84, 90, 92, 98, 99, 108, 116, 117, 124, 126, 132, 140, 147, 148, 150, 153, 156, 164, 171, 172, 175, 180, 188, 198, 200, 204, 207, 212, 220, 228, 234, 236, 242, 244, 245, 252, 260, 261, 268, 275, 276, 279]

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

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