Sum of the products of the primes taken 2 at a time from the first n primes.

Terms

a(0) =0a(1) =6a(2) =31a(3) =101a(4) =288a(5) =652a(6) =1349a(7) =2451a(8) =4222a(9) =7122a(10) =11121a(11) =17041a(12) =25118a(13) =35352a(14) =48559a(15) =65943a(16) =88422a(17) =115262a(18) =148829a(19) =189157a(20) =235804a(21) =292052a(22) =357705a(23) =435491a(24) =528902a(25) =635962a(26) =755545a(27) =890793a(28) =1040232a(29) =1207472