Sum of first n squares of semiprimes.

Terms

a(0) =16a(1) =52a(2) =133a(3) =233a(4) =429a(5) =654a(6) =1095a(7) =1579a(8) =2204a(9) =2880a(10) =3969a(11) =5125a(12) =6350a(13) =7794a(14) =9315a(15) =11431a(16) =13832a(17) =16433a(18) =19458a(19) =22707a(20) =26071a(21) =29915a(22) =34140a(23) =38901a(24) =44377a(25) =50306a(26) =57030a(27) =64255a(28) =71651a(29) =79220