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.

A048677 Concatenation of first n palindromic primes.

Original entry on oeis.org

2, 23, 235, 2357, 235711, 235711101, 235711101131, 235711101131151, 235711101131151181, 235711101131151181191, 235711101131151181191313, 235711101131151181191313353, 235711101131151181191313353373, 235711101131151181191313353373383
Offset: 1

Views

Author

Felice Russo, corrected Sep 13 2000

Keywords

Crossrefs

Cf. A002385.

Programs

  • Mathematica
    With[{pr=Select[Prime[Range[150]],IntegerDigits[#]==Reverse[ IntegerDigits[ #]]&]}, Table[ FromDigits[ Flatten[IntegerDigits/@Take[pr,n]]],{n,Length[ pr]}]] (* Harvey P. Dale, Mar 05 2014 *)

Extensions

More terms from Harvey P. Dale, Mar 05 2014