A338968 - cp's OEIS frontend

A338968 a(n) is the largest prime whose decimal expansion consists of the concatenation of a 1-digit prime, a 2-digit prime, a 3-digit prime, ..., and an n-digit prime.

n	a(n)
1	7
2	797
3	797977
4	7979979941
5	797997997399817
6	797997997399991999371
7	7979979973999919999839999901
8	797997997399991999983999999199999131
9	797997997399991999983999999199999989999997639
10	7979979973999919999839999991999999899999999379999997871

[7, 797, 797977, 7979979941, 797997997399817, 797997997399991999371, 7979979973999919999839999901, 797997997399991999983999999199999131, 797997997399991999983999999199999989999997639, 7979979973999919999839999991999999899999999379999997871]

cp's OEIS Frontend

A338968 a(n) is the largest prime whose decimal expansion consists of the concatenation of a 1-digit prime, a 2-digit prime, a 3-digit prime, ..., and an n-digit prime.

Table of values

List of values