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.

A080441 a(1) = 17, a(n) is the smallest prime obtained by inserting digits between every pair of digits of a(n-1).

Table of values

n a(n)
1 17
2 107
3 10007
4 100000007
5 10000000000003037
6 100000000000000000000000003000307
7 10000000000000000000000000000000000000000000000000003000000030057

List of values

[17, 107, 10007, 100000007, 10000000000003037, 100000000000000000000000003000307, 10000000000000000000000000000000000000000000000000003000000030057]

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

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