The Counting Function of Twin Primes

${\pi }^{*}\left(b\right)=3+{\displaystyle {\sum }_{i\in W}\left|T\left(i,i+1\right)\right|}$ ,

where $W=\left\{1,3,6,9,13,16,22,24,30,33,37,40,43,45,47\right\}$ .

(4)