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.

A075596 a(1) = 2 and then the smallest prime that is obtained by placing digits on both sides of the previous term. Or smallest prime that encompasses a(n-1).

Table of values

n a(n)
1 2
2 127
3 11273
4 1112731
5 411127319
6 34111273199
7 3341112731993
8 233411127319933
9 32334111273199339
10 3323341112731993391
11 633233411127319933919
12 66332334111273199339193
13 1663323341112731993391937

List of values

[2, 127, 11273, 1112731, 411127319, 34111273199, 3341112731993, 233411127319933, 32334111273199339, 3323341112731993391, 633233411127319933919, 66332334111273199339193, 1663323341112731993391937]

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

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