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.

A349758 Nobly abundant numbers: numbers k such that both d(k) = A000005(k) and sigma(k) = A000203(k) are abundant numbers (A005101).

Table of values

n a(n)
1 60
2 84
3 90
4 96
5 108
6 126
7 132
8 140
9 150
10 156
11 160
12 180
13 198
14 204
15 220
16 224
17 228
18 234
19 240
20 252
21 260
22 276
23 294
24 300
25 306
26 308
27 315
28 336
29 340
30 342
31 348
32 350
33 352
34 360
35 364
36 372
37 380
38 396
39 414
40 416
41 420
42 432
43 444
44 460
45 476
46 480
47 486
48 490
49 492
50 495
51 500
52 504
53 516

List of values

[60, 84, 90, 96, 108, 126, 132, 140, 150, 156, 160, 180, 198, 204, 220, 224, 228, 234, 240, 252, 260, 276, 294, 300, 306, 308, 315, 336, 340, 342, 348, 350, 352, 360, 364, 372, 380, 396, 414, 416, 420, 432, 444, 460, 476, 480, 486, 490, 492, 495, 500, 504, 516]

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

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