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.

A321498 Numbers which can be written in at least two ways in the form (x-y)*(x^2-y^2) with x > y > 0.

Table of values

n a(n)
1 45
2 63
3 81
4 96
5 99
6 117
7 128
8 135
9 153
10 160
11 171
12 175
13 189
14 192
15 207
16 224
17 225
18 243
19 256
20 261
21 275
22 279
23 288
24 297
25 315
26 320
27 325
28 333
29 351
30 352
31 360
32 369
33 375
34 384
35 387
36 405
37 416
38 423
39 425
40 432
41 441
42 448
43 459
44 475
45 477
46 480
47 495
48 504
49 512
50 513
51 525
52 531
53 539
54 544
55 549
56 567
57 575
58 576
59 585

List of values

[45, 63, 81, 96, 99, 117, 128, 135, 153, 160, 171, 175, 189, 192, 207, 224, 225, 243, 256, 261, 275, 279, 288, 297, 315, 320, 325, 333, 351, 352, 360, 369, 375, 384, 387, 405, 416, 423, 425, 432, 441, 448, 459, 475, 477, 480, 495, 504, 512, 513, 525, 531, 539, 544, 549, 567, 575, 576, 585]

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

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