Sum of squares of the first n primes.

Terms

a(0) =4a(1) =13a(2) =38a(3) =87a(4) =208a(5) =377a(6) =666a(7) =1027a(8) =1556a(9) =2397a(10) =3358a(11) =4727a(12) =6408a(13) =8257a(14) =10466a(15) =13275a(16) =16756a(17) =20477a(18) =24966a(19) =30007a(20) =35336a(21) =41577a(22) =48466a(23) =56387a(24) =65796a(25) =75997a(26) =86606a(27) =98055a(28) =109936a(29) =122705