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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.

A350099 a(n) is the upper end of a record gap A349995(n) between consecutive odd squarefree semiprimes (A046388).

Table of values

n a(n)
1 21
2 33
3 111
4 287
5 2391
6 6583
7 8843
8 13733
9 15293
10 21619
11 36019
12 66961
13 113053
14 340941
15 783809
16 872279
17 3058917
18 3586913
19 5835265
20 12345557
21 108994713
22 248707009
23 268749791
24 679956221
25 709239737
26 3648864977
27 3790337843
28 4171420613
29 33955869829
30 34279038517
31 34840796509

List of values

[21, 33, 111, 287, 2391, 6583, 8843, 13733, 15293, 21619, 36019, 66961, 113053, 340941, 783809, 872279, 3058917, 3586913, 5835265, 12345557, 108994713, 248707009, 268749791, 679956221, 709239737, 3648864977, 3790337843, 4171420613, 33955869829, 34279038517, 34840796509]

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

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