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.

A328817 Numbers k such that at least 7 of k, k+1, ..., k+9 are divisible by their least prime factor squared.

Table of values

n a(n)
1 3475
2 18271
3 25524
4 25623
5 45616
6 55772
7 72471
8 72472
9 104419
10 121667
11 133223
12 133224
13 149220
14 164975
15 165568
16 165571
17 172916
18 180167
19 180168
20 203979
21 203980
22 219123
23 260424
24 261472
25 261475
26 334516
27 334519
28 364216
29 381267
30 393320
31 393323
32 402723
33 412524
34 420467
35 420468

List of values

[3475, 18271, 25524, 25623, 45616, 55772, 72471, 72472, 104419, 121667, 133223, 133224, 149220, 164975, 165568, 165571, 172916, 180167, 180168, 203979, 203980, 219123, 260424, 261472, 261475, 334516, 334519, 364216, 381267, 393320, 393323, 402723, 412524, 420467, 420468]

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

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