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.

A066622 Concatenation of prime numbers in increasing order up to the n-th and then in decreasing order.

Table of values

n a(n)
1 2
2 232
3 23532
4 2357532
5 2357117532
6 23571113117532
7 235711131713117532
8 2357111317191713117532
9 23571113171923191713117532
10 235711131719232923191713117532
11 2357111317192329312923191713117532

List of values

[2, 232, 23532, 2357532, 2357117532, 23571113117532, 235711131713117532, 2357111317191713117532, 23571113171923191713117532, 235711131719232923191713117532, 2357111317192329312923191713117532]

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

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