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.

A330281 Numbers whose prime-indices do not have weakly increasing numbers of distinct prime factors.

Table of values

n a(n)
1 221
2 247
3 299
4 403
5 442
6 494
7 533
8 598
9 663
10 689
11 741
12 767
13 806
14 871
15 884
16 897
17 899
18 988
19 1066
20 1079
21 1105
22 1189
23 1196
24 1209
25 1235
26 1261
27 1326
28 1339
29 1378
30 1417
31 1482
32 1495
33 1517
34 1534
35 1537
36 1547
37 1599
38 1612
39 1651
40 1703
41 1711
42 1729
43 1742
44 1768
45 1794
46 1798

List of values

[221, 247, 299, 403, 442, 494, 533, 598, 663, 689, 741, 767, 806, 871, 884, 897, 899, 988, 1066, 1079, 1105, 1189, 1196, 1209, 1235, 1261, 1326, 1339, 1378, 1417, 1482, 1495, 1517, 1534, 1537, 1547, 1599, 1612, 1651, 1703, 1711, 1729, 1742, 1768, 1794, 1798]

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

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