Estimate of the sum of twin prime pairs < 10^n = 4*Pi2(10^2n).
A139677
Estimate of the sum of twin prime pairs < 10^n = 4*Pi2(10^2n).
Terms
- a(0) =32a(1) =820a(2) =24676a(3) =1761248a(4) =109650716a(5) =7482340880a(6) =543121286660
External references
- oeis: A139677