Number of primes of the form b^2 + 1 for b <= 10^n that end in 7.
A301944
Number of primes of the form b^2 + 1 for b <= 10^n that end in 7.
Terms
- a(0) =2a(1) =13a(2) =68a(3) =560a(4) =4418a(5) =35953a(6) =304340a(7) =2636531a(8) =23265760a(9) =208241341a(10) =1884492541
External references
- oeis: A301944