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.

A082620 a(1) = 1, then the smallest palindromic prime obtained by inserting digits anywhere in a(n-1).

Table of values

n a(n)
1 1
2 11
3 101
4 10301
5 1003001
6 100030001
7 10003630001
8 1000136310001
9 100010363010001
10 10001036363010001
11 1000103639363010001
12 100010356393653010001
13 10001033563936533010001
14 1000103305639365033010001
15 100010313056393650313010001
16 10001031305636963650313010001

List of values

[1, 11, 101, 10301, 1003001, 100030001, 10003630001, 1000136310001, 100010363010001, 10001036363010001, 1000103639363010001, 100010356393653010001, 10001033563936533010001, 1000103305639365033010001, 100010313056393650313010001, 10001031305636963650313010001]

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

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