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.

A342834 a(n) is the number whose decimal expansion consists of the concatenation of the largest 1-digit prime = 7, the largest 2-digit prime = 97, ... up to the largest n-digit prime = A003618(n).

Table of values

n a(n)
1 7
2 797
3 797997
4 7979979973
5 797997997399991
6 797997997399991999983
7 7979979973999919999839999991
8 797997997399991999983999999199999989
9 797997997399991999983999999199999989999999937
10 7979979973999919999839999991999999899999999379999999967

List of values

[7, 797, 797997, 7979979973, 797997997399991, 797997997399991999983, 7979979973999919999839999991, 797997997399991999983999999199999989, 797997997399991999983999999199999989999999937, 7979979973999919999839999991999999899999999379999999967]