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.

A082435 Palindromic primes with middle digit 0.

Original entry on oeis.org

101, 16061, 31013, 35053, 38083, 73037, 74047, 91019, 94049, 1120211, 1150511, 1160611, 1180811, 1190911, 1250521, 1280821, 1300031, 1360631, 1390931, 1490941, 1520251, 1550551, 1580851, 1600061, 1630361, 1640461, 1660661
Offset: 1

Views

Author

Lekraj Beedassy, Apr 25 2003

Keywords

Crossrefs

Cf. A002385.

Programs

  • Magma
    [ p: p in PrimesUpTo(200000000) | IsOdd(d) and D[(d+1) div 2] eq 0 and D eq Reverse(D) where d is #D where D is Intseq(p) ]; // Vincenzo Librandi, Apr 12 2011
    
  • PARI
    for(m=2,5,forstep(j=10^(m-1),10^m-1,10,d=digits(j);p=fromdigits(vector(2*m-1,x,if(xJeppe Stig Nielsen, Feb 20 2021