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.

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A067851 Numbers k such that prime(k) divides prime(k^2)-1.

Original entry on oeis.org

2, 26, 170, 321
Offset: 1

Views

Author

Joseph L. Pe, Feb 15 2002

Keywords

Examples

			Prime(26) = 101 divides prime(26^2)-1 = 5050 = 50*101, so 26 is a term of the sequence.
		

Crossrefs

Cf. A067852.

Programs

  • Mathematica
    Do[If[Mod[Prime[n^2] - 1, Prime[n]] == 0, Print[n]], {n, 1, 10^4}]
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