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.

A075600 a(1) = 11 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 11
2 1117
3 211177
4 12111773
5 1121117731
6 1112111773139
7 811121117731399
8 18111211177313993
9 5181112111773139933
10 351811121117731399339
11 63518111211177313993399
12 11635181112111773139933991

List of values

[11, 1117, 211177, 12111773, 1121117731, 1112111773139, 811121117731399, 18111211177313993, 5181112111773139933, 351811121117731399339, 63518111211177313993399, 11635181112111773139933991]

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

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