Partial sums of primes of form n^2 + (n+1)^2 + (n+2)^2 (A027864).

Terms

a(0) =5a(1) =34a(2) =183a(3) =692a(4) =1369a(5) =3246a(6) =6923a(7) =15352a(8) =25101a(9) =37010a(10) =50479a(11) =68268a(12) =90977a(13) =118054a(14) =146283a(15) =191672a(16) =238549a(17) =291618a(18) =361847a(19) =433924a(20) =515601a(21) =616070a(22) =718747a(23) =832824a(24) =961373a(25) =1102642a(26) =1257231a(27) =1437308a(28) =1629337a(29) =1824414