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.

A053078 Balanced primes separated from the next lower and next higher prime neighbors by 48.

Original entry on oeis.org

3565979, 3653911, 3985951, 5425661, 5647409, 6127019, 6292129, 6532601, 7134031, 7360411, 7389541, 7700179, 7865881, 7956211, 8467951, 8708339, 8972749, 9203791, 9603409, 9863599, 10279861, 10971791, 11998439, 12225299
Offset: 1

Views

Author

Harvey P. Dale, Feb 25 2000

Keywords

Examples

			3653911 is separated from both the next lower prime and the next higher prime by 48.
		

Crossrefs

Cf. A329578.

Programs

  • Mathematica
    lst={};Do[p=Prime[n];If[p-Prime[n-1]==Prime[n+1]-p==6*8,AppendTo[lst,p]],{n,2,3*9!}];lst (* Vladimir Joseph Stephan Orlovsky, May 20 2010 *)
    Transpose[Select[Partition[Prime[Range[810000]],3,1],Union[ Differences[ #]] == {48}&]][[2]] (* Harvey P. Dale, May 01 2013 *)

Formula

a(n) = A329578(n) + 48. - Sean A. Irvine, Dec 06 2021