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.

A342030 Starts of runs of 4 consecutive numbers that have mutually distinct exponents in their prime factorization (A130091).

Table of values

n a(n)
1 1
2 2
3 16
4 17
5 47
6 96
7 241
8 242
9 575
10 1249
11 2644
12 2645
13 4049
14 4372
15 4373
16 4799
17 9124
18 12248
19 33749
20 72250
21 120049
22 130436
23 281249
24 303748
25 1431124
26 1431125
27 1531250
28 2101247
29 3693761
30 4085656
31 4910975
32 12502348
33 12502349
34 14268481
35 22997761
36 25486324
37 26693549

List of values

[1, 2, 16, 17, 47, 96, 241, 242, 575, 1249, 2644, 2645, 4049, 4372, 4373, 4799, 9124, 12248, 33749, 72250, 120049, 130436, 281249, 303748, 1431124, 1431125, 1531250, 2101247, 3693761, 4085656, 4910975, 12502348, 12502349, 14268481, 22997761, 25486324, 26693549]

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

Content is available under The OEIS End-User License Agreement.