Number of primes < 10^(2n) - sum of primes < 10^n.
A139564
Number of primes < 10^(2n) - sum of primes < 10^n.
Terms
- a(0) =0a(1) =8a(2) =169a(3) =2371a(4) =25059a(5) =655974a(6) =57509995a(7) =1616756446a(8) =28550646649a(9) =442195486325
External references
- oeis: A139564