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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.

A069612 a(1) = 19 (the smallest prime ending in a 9) and a(n+1) = smallest prime ending in a(n).

Table of values

n a(n)
1 19
2 419
3 5419
4 35419
5 435419
6 11435419
7 111435419
8 9111435419
9 89111435419
10 1389111435419
11 81389111435419
12 381389111435419
13 15381389111435419
14 3315381389111435419
15 153315381389111435419
16 22153315381389111435419
17 2022153315381389111435419

List of values

[19, 419, 5419, 35419, 435419, 11435419, 111435419, 9111435419, 89111435419, 1389111435419, 81389111435419, 381389111435419, 15381389111435419, 3315381389111435419, 153315381389111435419, 22153315381389111435419, 2022153315381389111435419]

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

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