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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.

A252016 a(1)=2, a(2)=23; thereafter a(n) is the smallest prime which begins with the concatenation a(n-2)a(n-1).

Table of values

n a(n)
1 2
2 23
3 223
4 2322337
5 223232233717
6 232233722323223371711
7 223232233717232233722323223371711159
8 232233722323223371711223232233717232233722323223371711159007

List of values

[2, 23, 223, 2322337, 223232233717, 232233722323223371711, 223232233717232233722323223371711159, 232233722323223371711223232233717232233722323223371711159007]

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

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