Sum of all aliquot divisors of all positive integers <= prime(n).

Terms

a(0) =1a(1) =2a(2) =6a(3) =13a(4) =33a(5) =50a(6) =85a(7) =107a(8) =155a(9) =255a(10) =298a(11) =433a(12) =523a(13) =578a(14) =678a(15) =873a(16) =1076a(17) =1185a(18) =1421a(19) =1581a(20) =1705a(21) =1968a(22) =2159a(23) =2494a(24) =3002a(25) =3250a(26) =3365a(27) =3615a(28) =3788a(29) =4072