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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.

A349241 Numbers N = pqrs such that |pqr - s| > |ps - qr|, where p <= q <= r <= s are the 4 prime factors of N.

Table of values

n a(n)
1 16
2 24
3 36
4 54
5 60
6 81
7 90
8 100
9 126
10 135
11 140
12 150
13 189
14 196
15 210
16 225
17 250
18 294
19 308
20 315
21 330
22 350
23 364
24 375
25 390
26 441
27 462
28 484
29 490
30 495
31 525
32 546
33 550
34 572
35 585
36 625
37 650
38 676
39 686
40 693
41 714
42 726
43 735
44 748
45 770
46 798
47 819
48 825
49 836
50 850
51 858
52 875
53 884
54 910
55 950
56 975
57 988

List of values

[16, 24, 36, 54, 60, 81, 90, 100, 126, 135, 140, 150, 189, 196, 210, 225, 250, 294, 308, 315, 330, 350, 364, 375, 390, 441, 462, 484, 490, 495, 525, 546, 550, 572, 585, 625, 650, 676, 686, 693, 714, 726, 735, 748, 770, 798, 819, 825, 836, 850, 858, 875, 884, 910, 950, 975, 988]

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

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