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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.

A116889 a(n) is the least prime p that remains prime through n iterations of function f(p)=p^2+4.

Table of values

n	a(n)
0	2
1	3
2	3
3	5087
4	306167

List of values

[2, 3, 3, 5087, 306167]

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

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