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.

A108848 Palindromic primes in which all internal digits are 9.

Table of values

n a(n)
1 191
2 797
3 19991
4 79997
5 199999991
6 79999999999999999999999999997
7 19999999999999999999999999999999999999991
8 199999999999999999999999999999999999999999999999999999999999999999999999999999999999991

List of values

[191, 797, 19991, 79997, 199999991, 79999999999999999999999999997, 19999999999999999999999999999999999999991, 199999999999999999999999999999999999999999999999999999999999999999999999999999999999991]

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

Content is available under The OEIS End-User License Agreement.