Number of primes of the form b^2+1 for b <= 10^n that end in 1.
A301943
Number of primes of the form b^2+1 for b <= 10^n that end in 1.
Terms
- a(0) =1a(1) =4a(2) =42a(3) =279a(4) =2236a(5) =18155a(6) =152020a(7) =1317648a(8) =11634451a(9) =104116591a(10) =942191087
External references
- oeis: A301943