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.

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A084430 Smallest prime with "n^3" as central digit(s).

Original entry on oeis.org

101, 113, 181, 1277, 2647, 11251, 12161, 23431, 15121, 17291, 410009, 213319, 117281, 421973, 127447, 233759, 240967, 249131, 158329, 168599, 180001, 192611, 1106489, 1121671, 2138249, 2156251, 1175767, 1196837, 2219527, 2243893, 1270001, 3297911, 2327681
Offset: 0

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Author

Zak Seidov, Jun 27 2003

Keywords

Crossrefs

Programs

  • PARI
    a(n) = {n = n^3; for (i = 1, 9, forstep (j=1, 9, 2, v = j + 10*n + i*10^(1+length(Str(n))); if (isprime(v), return (v)); ); ); } \\ Michel Marcus, Oct 05 2013

Extensions

More terms from Michel Marcus, Oct 05 2013
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