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.

Showing 1-2 of 2 results.

A100858 Primes of the form (p - 1)! + p, p prime.

Original entry on oeis.org

3, 5, 29, 727, 3628811, 80658175170943878571660636856403766975289505440883277824000000000053
Offset: 1

Views

Author

Reinhard Zumkeller, Nov 20 2004

Keywords

Comments

a(n) = A100856(k) = A100857(k) for some k.
Subset of A073309. - R. J. Mathar, Sep 02 2008
No more terms for p < 1250. - Vincenzo Librandi, Dec 26 2010

Crossrefs

Cf. A092791.

Programs

  • Magma
    [ a: p in PrimesUpTo(250) | IsPrime(a) where a is Factorial(p-1)+p ]; // Vincenzo Librandi, Dec 26 2010

A100856 a(n) = (prime(n) - 1)! + prime(n).

Original entry on oeis.org

3, 5, 29, 727, 3628811, 479001613, 20922789888017, 6402373705728019, 1124000727777607680023, 304888344611713860501504000029, 265252859812191058636308480000031
Offset: 1

Views

Author

Reinhard Zumkeller, Nov 20 2004

Keywords

Crossrefs

Cf. A100857, A100858, A000040, A000142.
Showing 1-2 of 2 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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