A059785 a(n+1) = prevprime(a(n)^2). Largest prime prior to the square of previous prime. Initial value = 2.

2, 3, 7, 47, 2207, 4870843, 23725111530599, 562880917139361624513298747, 316834926879648887020732217199607668221645859671769857

Offset: 1

Author

Labos Elemer, Feb 22 2001

Keywords

• nonn

Comments

The next term is too large to show here - see the b-file.

Links

• Franklin T. Adams-Watters, Table of n, a(n) for n = 1..12

Crossrefs

Cf. A006992, A055496, A005384, A005385, A059784.

Programs

Mathematica

NestList[NextPrime[#^2,-1]&,2,10] (* Harvey P. Dale, Jan 16 2016 *)

Extensions

Offset and some values corrected by Franklin T. Adams-Watters, Jul 30 2009