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.

A069590 Smallest n-digit prime starting with a 2.

Original entry on oeis.org

2, 23, 211, 2003, 20011, 200003, 2000003, 20000003, 200000033, 2000000011, 20000000089, 200000000041, 2000000000003, 20000000000021, 200000000000027, 2000000000000021, 20000000000000003, 200000000000000003, 2000000000000000057, 20000000000000000011
Offset: 1

Views

Author

Amarnath Murthy, Mar 25 2002

Keywords

Crossrefs

Programs

  • Maple
    seq(nextprime(2*10^(n-1)-1), n=1..22);
  • Mathematica
    Join[{2}, NextPrime[2*10^Range[20]]] (* Paolo Xausa, Jun 22 2024 *)

Extensions

More terms from Sascha Kurz, Mar 28 2002
Simpler definition from Robert Israel, Jun 21 2024