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.

A118574 Primes for which the level is equal to 79 in A117563.

Original entry on oeis.org

239, 719, 1033, 1193, 2143, 2777, 3889, 5953, 15917879, 16427897, 16754483, 24597451, 24612613, 27756503, 28261307, 28863287, 30493373, 30953633, 33444023, 34346203, 41488301, 44980259, 45796943, 50146069, 50682479
Offset: 1

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Examples

			1039 = 1033 + 1033 mod(13) = 1033 + 1033 mod(1027), 1033 has level 1027/13 = 79.
		

Crossrefs

Programs

  • Mathematica
    fQ[n_] := Block[{p = Prime@n, np = Prime[n + 1]}, (2p - np)/Min@Select[Divisors[2p - np], # >= np - p &] == 79]; lst = {}; Do[ If[fQ@n, AppendTo[lst, Prime@n]], {n, 10^7}]; lst (* Robert G. Wilson v, May 09 2006 *)

Extensions

More terms from Robert G. Wilson v, May 09 2006