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.

A197987 a(n) = prime(n)^(n+1).

Original entry on oeis.org

4, 27, 625, 16807, 1771561, 62748517, 6975757441, 322687697779, 41426511213649, 12200509765705829, 787662783788549761, 243569224216081305397, 37929227194915558802161, 3177070365797955661914307, 566977372488557307219621121, 205442259656281392806087233013
Offset: 1

Views

Author

Bruno Berselli, Oct 20 2011

Keywords

Comments

Subsequence of A000961, A120458.
First five elements are also consecutive members of A133018. - Omar E. Pol, Oct 20 2011
Third diagonal of A319075. - Omar E. Pol, Sep 13 2018

Examples

			The fourth prime number is 7, so a(4) = 7^(4+1) = 7^5 = 16807. - _Omar E. Pol_, Oct 20 2011
		

Crossrefs

Programs

  • Magma
    [NthPrime(n)^(n+1): n in [1..16]];
  • Mathematica
    Table[Prime[n]^(n+1),{n,20}] (* Harvey P. Dale, Dec 16 2012 *)
  • PARI
    for(n=1, 16, print1(prime(n)^(n+1)", "));
    

Formula

a(n) = A000040(n)^(n+1). - Omar E. Pol, Oct 20 2011