Primes in the chain of repeated application of x->2*x+3, starting at x=2.
A172156
Primes in the chain of repeated application of x->2*x+3, starting at x=2.
Terms
- a(0) =7a(1) =17a(2) =37a(3) =157a(4) =317a(5) =1277a(6) =2557a(7) =20477a(8) =655357a(9) =5242877a(10) =671088637a(11) =2684354557a(12) =5368709117a(13) =343597383677
External references
- oeis: A172156