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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.

A382455 Order 3 perimeter magic squares of magic sum n, all elements distinct and 1 in the set; bracelet symmetry.

Table of values

n a(n)
12 3
13 9
14 23
15 45
16 75
17 109
18 178
19 220
20 324
21 403
22 545
23 623
24 872
25 945
26 1238
27 1397
28 1725
29 1878
30 2390
31 2530
32 3087
33 3317
34 3968
35 4212
36 5057
37 5256
38 6186
39 6569
40 7569
41 7893
42 9201
43 9511
44 10890
45 11359
46 12863
47 13340
48 15135
49 15543
50 17492
51 18145
52 20170
53 20739
54 23212
55 23784
56 26325
57 27100
58 29813
59 30598
60 33727

List of values

[3, 9, 23, 45, 75, 109, 178, 220, 324, 403, 545, 623, 872, 945, 1238, 1397, 1725, 1878, 2390, 2530, 3087, 3317, 3968, 4212, 5057, 5256, 6186, 6569, 7569, 7893, 9201, 9511, 10890, 11359, 12863, 13340, 15135, 15543, 17492, 18145, 20170, 20739, 23212, 23784, 26325, 27100, 29813, 30598, 33727]

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

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