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.

A100027 Smallest (2n+1)-digit palindromic prime of the form 10...0M0...01 (thus M is a palindrome with <= 2n-1 digits).

Table of values

n a(n)
1 101
2 10301
3 1003001
4 100030001
5 10000500001
6 1000008000001
7 100000323000001
8 10000000500000001
9 1000000008000000001
10 100000000212000000001
11 10000000000300000000001
12 1000000000016100000000001
13 100000000000080000000000001
14 10000000000000300000000000001
15 1000000000000024200000000000001

List of values

[101, 10301, 1003001, 100030001, 10000500001, 1000008000001, 100000323000001, 10000000500000001, 1000000008000000001, 100000000212000000001, 10000000000300000000001, 1000000000016100000000001, 100000000000080000000000001, 10000000000000300000000000001, 1000000000000024200000000000001]

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

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