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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.

A125010 Numbers n for which nontrivial positive magic squares of exactly 3 different orders with magic sum n exist. For a definition of nontrivial positive magic squares, see A125005.

Table of values

n a(n)
1 90
2 135
3 150
4 165
5 189
6 195
7 225
8 231
9 255
10 270
11 273
12 285
13 294
14 300
15 330
16 345
17 350
18 357
19 369
20 375
21 387
22 390
23 396
24 399
25 414
26 423
27 435
28 459
29 462
30 465
31 468
32 477
33 483
34 486
35 490
36 504
37 510
38 513
39 522
40 531
41 546
42 549
43 558
44 570
45 588
46 594
47 595
48 603
49 609
50 612
51 621
52 639

List of values

[90, 135, 150, 165, 189, 195, 225, 231, 255, 270, 273, 285, 294, 300, 330, 345, 350, 357, 369, 375, 387, 390, 396, 399, 414, 423, 435, 459, 462, 465, 468, 477, 483, 486, 490, 504, 510, 513, 522, 531, 546, 549, 558, 570, 588, 594, 595, 603, 609, 612, 621, 639]

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

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