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.

A153771 Primes with a prime number of digits and using all of the prime digits 2, 3, 5, 7 repeated in strings, in that order.

Table of values

n a(n)
1 23357
2 23557
3 2235557
4 2335577
5 2355557
6 22222222357
7 22222333577
8 22223333357
9 22223335577
10 22223335777
11 22223357777
12 22233577777
13 22333355777
14 22335555577
15 22355555557
16 22355555777
17 23333335577

List of values

[23357, 23557, 2235557, 2335577, 2355557, 22222222357, 22222333577, 22223333357, 22223335577, 22223335777, 22223357777, 22233577777, 22333355777, 22335555577, 22355555557, 22355555777, 23333335577]

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

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