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.

A088284 Palindromic primes in which a single digit is sandwiched between nonempty strings of 9's.

Table of values

n a(n)
1 919
2 929
3 99999199999
4 99999999299999999
5 9999999992999999999
6 999999999999919999999999999
7 99999999999999499999999999999
8 999999999999999999999949999999999999999999999
9 99999999999999999999999999899999999999999999999999999

List of values

[919, 929, 99999199999, 99999999299999999, 9999999992999999999, 999999999999919999999999999, 99999999999999499999999999999, 999999999999999999999949999999999999999999999, 99999999999999999999999999899999999999999999999999999]

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

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