Partial sums of product of twin primes.

Terms

a(0) =15a(1) =50a(2) =193a(3) =516a(4) =1415a(5) =3178a(6) =6777a(7) =11960a(8) =22363a(9) =34026a(10) =53069a(11) =75568a(12) =107967a(13) =144830a(14) =184033a(15) =236016a(16) =293615a(17) =366514a(18) =446037a(19) =543380a(20) =664483a(21) =840882a(22) =1027505a(23) =1240948a(24) =1513431a(25) =1838330a(26) =2198329a(27) =2580252a(28) =2992415a(29) =3428014