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.

A380075 Records in A379899.

Original entry on oeis.org

2, 3, 7, 11, 13, 17, 29, 37, 41, 53, 59, 67, 71, 79, 83, 103, 107, 127, 131, 139, 151, 163, 167, 179, 181, 193, 197, 229, 233, 241, 257, 269, 277, 281, 293, 313, 317, 337, 349, 353, 373, 389, 397, 401, 409, 421, 433, 449, 457, 461, 509, 521, 541, 557, 569, 571
Offset: 1

Views

Author

Paolo Xausa, Jan 11 2025

Keywords

Crossrefs

Cf. A379899, A380076 (indices of records).

Programs

  • Mathematica
    nn = 120; c[_] := True; r = j = 2; s = 4; c[2] = False;
    {j}~Join~Reap[Do[m = j + s;
      While[k = SelectFirst[FactorInteger[m][[All, 1]], c];
        ! IntegerQ[k], m += s];
      c[k] = False; j = k;
      If[k > r, r = k; Sow[r]], {nn}] ][[-1, 1]] (* Michael De Vlieger, Jan 11 2025 *)