login
Primes in Somos-4 sequence (A006720).
4

%I #10 Sep 14 2017 03:56:20

%S 2,3,7,23,59,8209,620297,1687054711,

%T 25907979805412230144914099508240296236020415269340706571266102156690578761249,

%U 167688864076998154482920561111926793545475633249050257599724515210137245508480818512193851652306467577687209241137

%N Primes in Somos-4 sequence (A006720).

%H G. Everest et al., <a href="http://www.jstor.org/stable/27642221">Primes generated by recurrence sequences</a>, Amer. Math. Monthly, 114 (No. 5, 2007), 417-431.

%Y Cf. A006720, A129740, A129741.

%Y Cf. A192241, primes in Dana Scott's sequence (A048736).

%K nonn

%O 1,1

%A _N. J. A. Sloane_, May 13 2007

%E a(9)-a(10) from _Robert G. Wilson v_, Jul 04 2007