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.

A085306 Prime numbers such that first reversing digits and after squaring equals the result of first-squaring and after-reversing. Primes in A085305.

Table of values

n a(n)
1 2
2 3
3 11
4 13
5 31
6 101
7 103
8 113
9 211
10 311
11 1013
12 1021
13 1031
14 1103
15 1201
16 1301
17 2011
18 2111
19 3001
20 3011
21 10103
22 10111
23 10211
24 11003
25 11113
26 12011
27 12101
28 13001
29 20011
30 20021
31 20101
32 20201
33 21001
34 21011
35 21101
36 22111
37 30011
38 100003
39 100103
40 101021

List of values

[2, 3, 11, 13, 31, 101, 103, 113, 211, 311, 1013, 1021, 1031, 1103, 1201, 1301, 2011, 2111, 3001, 3011, 10103, 10111, 10211, 11003, 11113, 12011, 12101, 13001, 20011, 20021, 20101, 20201, 21001, 21011, 21101, 22111, 30011, 100003, 100103, 101021]

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

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