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.

A067401 Minimal non-uniquely factorizable OR-numbrals, i.e., numbrals that are not uniquely factorizable but for which all proper divisors are.

Table of values

n a(n)
1 15
2 85
3 95
4 111
5 123
6 125
7 175
8 191
9 207
10 223
11 239
12 243
13 245
14 247
15 251
16 253
17 351
18 367
19 379
20 381
21 399
22 415
23 443
24 445
25 447
26 463
27 483
28 487
29 493
30 499
31 501
32 507
33 585
34 603
35 621
36 631
37 639
38 685
39 687
40 701
41 725
42 729
43 731
44 735
45 757
46 763
47 783
48 799
49 827
50 831
51 873
52 877

List of values

[15, 85, 95, 111, 123, 125, 175, 191, 207, 223, 239, 243, 245, 247, 251, 253, 351, 367, 379, 381, 399, 415, 443, 445, 447, 463, 483, 487, 493, 499, 501, 507, 585, 603, 621, 631, 639, 685, 687, 701, 725, 729, 731, 735, 757, 763, 783, 799, 827, 831, 873, 877]

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

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