a(n) is the least prime == 2*a(n-2) mod a(n-1); a(1) = 2, a(2) = 3.

A361988

a(n) is the least prime == 2*a(n-2) mod a(n-1); a(1) = 2, a(2) = 3.

Terms

    a(0) =2a(1) =3a(2) =7a(3) =13a(4) =53a(5) =79a(6) =659a(7) =6089a(8) =104831a(9) =955657a(10) =20278459a(11) =103303609a(12) =557074963a(13) =1877832107a(14) =2991982033a(15) =6747646247a(16) =12731610313a(17) =179006226563

External references