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.

A028989 Smallest palindromic prime with 2n-1 digits.

Table of values

n a(n)
1 2
2 101
3 10301
4 1003001
5 100030001
6 10000500001
7 1000008000001
8 100000323000001
9 10000000500000001
10 1000000008000000001
11 100000000212000000001
12 10000000000300000000001
13 1000000000016100000000001
14 100000000000080000000000001
15 10000000000000300000000000001

List of values

[2, 101, 10301, 1003001, 100030001, 10000500001, 1000008000001, 100000323000001, 10000000500000001, 1000000008000000001, 100000000212000000001, 10000000000300000000001, 1000000000016100000000001, 100000000000080000000000001, 10000000000000300000000000001]

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

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