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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.

A103253 Numbers y, without duplication, in Pythagorean triples x,y,z where x,y,z are relatively prime composite numbers and z is a perfect square.

Table of values

n a(n)
1 7
2 28
3 41
4 63
5 112
6 119
7 161
8 164
9 175
10 239
11 252
12 343
13 369
14 448
15 476
16 527
17 567
18 644
19 656
20 700
21 721
22 847
23 956
24 959
25 1008
26 1025
27 1071
28 1081
29 1183
30 1241
31 1372
32 1449
33 1476
34 1519
35 1575
36 1792
37 1904
38 2009
39 2023
40 2047
41 2108
42 2268
43 2527
44 2576
45 2624
46 2800
47 2884
48 2975

List of values

[7, 28, 41, 63, 112, 119, 161, 164, 175, 239, 252, 343, 369, 448, 476, 527, 567, 644, 656, 700, 721, 847, 956, 959, 1008, 1025, 1071, 1081, 1183, 1241, 1372, 1449, 1476, 1519, 1575, 1792, 1904, 2009, 2023, 2047, 2108, 2268, 2527, 2576, 2624, 2800, 2884, 2975]

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

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