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.

A384838 Numbers k for which sigma(k - x) + sigma(k + x) = 5*k has at least one nonnegative solution.

Table of values

n a(n)
1 24
2 53
3 56
4 63
5 66
6 74
7 75
8 79
9 82
10 84
11 95
12 112
13 168
14 192
15 216
16 227
17 245
18 252
19 255
20 274
21 280
22 282
23 288
24 308
25 312
26 347
27 348
28 351
29 360
30 365
31 392
32 395
33 408
34 420
35 431
36 432
37 434
38 458
39 465
40 466
41 471
42 476
43 496
44 528
45 532
46 560
47 576
48 579
49 588
50 624
51 628
52 644
53 670
54 694
55 716
56 720
57 784

List of values

[24, 53, 56, 63, 66, 74, 75, 79, 82, 84, 95, 112, 168, 192, 216, 227, 245, 252, 255, 274, 280, 282, 288, 308, 312, 347, 348, 351, 360, 365, 392, 395, 408, 420, 431, 432, 434, 458, 465, 466, 471, 476, 496, 528, 532, 560, 576, 579, 588, 624, 628, 644, 670, 694, 716, 720, 784]

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

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