Sequence of odd numbers defined recursively by: a(1)=1 and a(n) is the first odd number greater than a(n-1) such that a(n) + a(i) + 1 is prime for 1<=i<=n-1.
A103828
Sequence of odd numbers defined recursively by: a(1)=1 and a(n) is the first odd number greater than a(n-1) such that a(n) + a(i) + 1 is prime for 1<=i<=n-1.
Terms
- a(0) =1a(1) =3a(2) =9a(3) =27a(4) =69a(5) =429a(6) =1059a(7) =56499a(8) =166839a(9) =5020059a(10) =7681809a(11) =274343589a(12) =8316187179
External references
- oeis: A103828