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.

A261821 Minimal nested palindromic primes with seed 4.

Table of values

n a(n)
1 4
2 11411
3 1114111
4 18111411181
5 741811141118147
6 1674181114111814761
7 90167418111411181476109
8 3901674181114111814761093
9 14390167418111411181476109341
10 9143901674181114111814761093419
11 75914390167418111411181476109341957

List of values

[4, 11411, 1114111, 18111411181, 741811141118147, 1674181114111814761, 90167418111411181476109, 3901674181114111814761093, 14390167418111411181476109341, 9143901674181114111814761093419, 75914390167418111411181476109341957]

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

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