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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.

A199303 Palindromic primes in the sense of A007500 with digits '0', '1' and '3' only.

Table of values

n a(n)
1 3
2 11
3 13
4 31
5 101
6 113
7 131
8 311
9 313
10 1031
11 1033
12 1103
13 1301
14 3011
15 3301
16 10301
17 10333
18 11003
19 11311
20 13331
21 30011
22 30103
23 31013
24 31033
25 33013
26 33301
27 101333
28 110311
29 113011
30 113131
31 131311
32 133033
33 133103
34 301331
35 301333
36 330331
37 333101
38 333103
39 1000033
40 1001003
41 1001303
42 1003001

List of values

[3, 11, 13, 31, 101, 113, 131, 311, 313, 1031, 1033, 1103, 1301, 3011, 3301, 10301, 10333, 11003, 11311, 13331, 30011, 30103, 31013, 31033, 33013, 33301, 101333, 110311, 113011, 113131, 131311, 133033, 133103, 301331, 301333, 330331, 333101, 333103, 1000033, 1001003, 1001303, 1003001]

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

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