Number of prime pairs below 10^n having a difference of 20.
A093745
Number of prime pairs below 10^n having a difference of 20.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =15a(4) =238a(5) =2401a(6) =22084a(7) =202922a(8) =1824043a(9) =16296072a(10) =145357801a(11) =1298682892a(12) =11638466683a(13) =104682551230a(14) =945244226939
External references
- oeis: A093745