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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.

A079780 a(n) = largest prime <= n*prime(n).

Table of values

n a(n)
1 2
2 5
3 13
4 23
5 53
6 73
7 113
8 151
9 199
10 283
11 337
12 443
13 523
14 601
15 701
16 839
17 997
18 1097
19 1259
20 1409
21 1531
22 1733
23 1907
24 2131
25 2423
26 2621
27 2777
28 2971
29 3137
30 3389
31 3931
32 4177
33 4519
34 4723
35 5209
36 5431
37 5807
38 6173
39 6491
40 6917
41 7333
42 7591
43 8209
44 8467
45 8863
46 9151
47 9907

List of values

[2, 5, 13, 23, 53, 73, 113, 151, 199, 283, 337, 443, 523, 601, 701, 839, 997, 1097, 1259, 1409, 1531, 1733, 1907, 2131, 2423, 2621, 2777, 2971, 3137, 3389, 3931, 4177, 4519, 4723, 5209, 5431, 5807, 6173, 6491, 6917, 7333, 7591, 8209, 8467, 8863, 9151, 9907]

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

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