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.

A075595 Smallest prime that is obtained by placing digits on both sides of the n-th prime. Or smallest prime that encompasses the n-th prime.

Table of values

n a(n)
1 127
2 131
3 151
4 173
5 1117
6 2131
7 1171
8 1193
9 1231
10 1291
11 1319
12 1373
13 2411
14 1433
15 1471
16 1531
17 1597
18 1613
19 2671
20 2711
21 1733
22 2791
23 1831
24 2897
25 1973
26 21011
27 21031
28 11071
29 11093
30 11131
31 11273
32 11311
33 21377
34 11393
35 11491
36 11519
37 11579
38 11633

List of values

[127, 131, 151, 173, 1117, 2131, 1171, 1193, 1231, 1291, 1319, 1373, 2411, 1433, 1471, 1531, 1597, 1613, 2671, 2711, 1733, 2791, 1831, 2897, 1973, 21011, 21031, 11071, 11093, 11131, 11273, 11311, 21377, 11393, 11491, 11519, 11579, 11633]

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

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