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.

A335200 Positions of difference 12 in A070195.

Original entry on oeis.org

2, 14, 31, 47, 78, 83, 229, 242, 278, 294, 312, 341, 345, 350, 381, 401, 429, 441, 476, 617, 783, 796, 800, 812, 825, 849, 911, 921, 931, 940, 1054, 1087, 1103, 1142, 1146, 1210, 1291, 1340, 1391, 1397, 1447, 1556, 1594, 1804, 1828, 1855, 1857, 1877, 1953
Offset: 1

Views

Author

Zak Seidov, May 26 2020

Keywords

Comments

12 is the minimal difference in A070195.

Examples

			A070195(2) = A070195(3) - 12, or 30 = 42 - 12, so 2 is a term.
A070195(14) = A070195(15) - 12, or 1290 = 1302 - 12, so 14 is a term.
		

Crossrefs

Cf. A070195.

Programs

  • Mathematica
    Position[Differences @ Select[Range[10^6], SquareFreeQ[#] && And @@ PrimeQ[# + {-1, 1}] &], 12] //Flatten (* Amiram Eldar, May 27 2020 *)