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.

A308127 Non-coreful abundant numbers: numbers k such that ncsigma(k) > k, where ncsigma(k) is the sum of the non-coreful divisors of k (A308135).

Table of values

n a(n)
1 30
2 42
3 60
4 66
5 70
6 78
7 84
8 90
9 102
10 114
11 120
12 126
13 132
14 138
15 150
16 156
17 168
18 174
19 180
20 186
21 198
22 210
23 222
24 240
25 246
26 258
27 270
28 282
29 294
30 300
31 318
32 330
33 336
34 354
35 366
36 378
37 390
38 402
39 420
40 426
41 438
42 450
43 462
44 474
45 480
46 498
47 510
48 534
49 546
50 570
51 582
52 606
53 618
54 630

List of values

[30, 42, 60, 66, 70, 78, 84, 90, 102, 114, 120, 126, 132, 138, 150, 156, 168, 174, 180, 186, 198, 210, 222, 240, 246, 258, 270, 282, 294, 300, 318, 330, 336, 354, 366, 378, 390, 402, 420, 426, 438, 450, 462, 474, 480, 498, 510, 534, 546, 570, 582, 606, 618, 630]

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

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