a(1)=5; thereafter a(2n) = nextprime(a(2n-1)^2), a(2n+1) = nextprime(floor(2*a(2n)/(a(2n-1) + 1))) where nextprime(.) is A007918(.).

A181616

a(1)=5; thereafter a(2n) = nextprime(a(2n-1)^2), a(2n+1) = nextprime(floor(2*a(2n)/(a(2n-1) + 1))) where nextprime(.) is A007918(.).

Terms

    a(0) =5a(1) =29a(2) =11a(3) =127a(4) =23a(5) =541a(6) =47a(7) =2213a(8) =97a(9) =9413a(10) =193a(11) =37253a(12) =389a(13) =151337a(14) =787a(15) =619373a(16) =1579a(17) =2493259a(18) =3163a(19) =10004573a(20) =6329a(21) =40056253a(22) =12659a(23) =160250297a(24) =25321a(25) =641153069a(26) =50647a(27) =2565118639a(28) =101293a(29) =10260271859

External references