Sum of the first n*(n+1) primes.

Terms

a(0) =0a(1) =5a(2) =41a(3) =197a(4) =639a(5) =1593a(6) =3447a(7) =6601a(8) =11599a(9) =19113a(10) =29897a(11) =44683a(12) =64615a(13) =90763a(14) =124211a(15) =166551a(16) =218759a(17) =283081a(18) =360979a(19) =454095a(20) =564319a(21) =694297a(22) =846287a(23) =1021511a(24) =1223095a(25) =1454367a(26) =1717867a(27) =2016457a(28) =2352313a(29) =2728929