A129739 Primes in Somos-4 sequence (A006720).

2, 3, 7, 23, 59, 8209, 620297, 1687054711, 25907979805412230144914099508240296236020415269340706571266102156690578761249, 167688864076998154482920561111926793545475633249050257599724515210137245508480818512193851652306467577687209241137

Offset: 1

Author

N. J. A. Sloane, May 13 2007

Keywords

• nonn

Links

• G. Everest et al., Primes generated by recurrence sequences, Amer. Math. Monthly, 114 (No. 5, 2007), 417-431.

Crossrefs

Cf. A006720, A129740, A129741.

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

Extensions

a(9)-a(10) from Robert G. Wilson v, Jul 04 2007