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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.

A276481 Numbers k such that b(k) is prime, where b(1) = prime(1) = 2, b(n) = 10*b(n-1) + (prime(n) mod 10).

Table of values

n a(n)
1 1
2 2
3 4
4 13
5 16
6 17
7 28
8 34
9 90
10 100
11 132
12 331
13 534
14 7923
15 10157
16 40197

List of values

[1, 2, 4, 13, 16, 17, 28, 34, 90, 100, 132, 331, 534, 7923, 10157, 40197]

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

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