Convolution of the prime numbers with phi(n).

Terms

a(0) =2a(1) =5a(2) =12a(3) =22a(4) =42a(5) =64a(6) =104a(7) =148a(8) =214a(9) =286a(10) =394a(11) =504a(12) =662a(13) =824a(14) =1028a(15) =1254a(16) =1538a(17) =1822a(18) =2188a(19) =2568a(20) =3002a(21) =3482a(22) =4038a(23) =4586a(24) =5260a(25) =5948a(26) =6722a(27) =7558a(28) =8484a(29) =9394