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.

A051484 a(n) is the next natural number (besides 1) which is not congruent to a(i) mod a(j) for any i < j < n.

Table of values

n a(n)
1 0
2 2
3 3
4 7
5 13
6 19
7 25
8 43
9 61
10 109
11 139
12 151
13 181
14 187
15 229
16 295
17 337
18 487
19 505
20 517
21 565
22 571
23 643
24 655
25 685
26 823
27 883
28 901
29 985
30 1189
31 1243
32 1279
33 1285
34 1429
35 1441
36 1597
37 1621
38 1639
39 1699
40 1735
41 1741
42 1867
43 1915
44 1933
45 2101
46 2143
47 2155
48 2167
49 2371

List of values

[0, 2, 3, 7, 13, 19, 25, 43, 61, 109, 139, 151, 181, 187, 229, 295, 337, 487, 505, 517, 565, 571, 643, 655, 685, 823, 883, 901, 985, 1189, 1243, 1279, 1285, 1429, 1441, 1597, 1621, 1639, 1699, 1735, 1741, 1867, 1915, 1933, 2101, 2143, 2155, 2167, 2371]

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

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