The sum of the elements within a jump in a Sieve of Eratosthenes table.

Terms

a(0) =3a(1) =9a(2) =30a(3) =63a(4) =165a(5) =234a(6) =408a(7) =513a(8) =759a(9) =1218a(10) =1395a(11) =1998a(12) =2460a(13) =2709a(14) =3243a(15) =4134a(16) =5133a(17) =5490a(18) =6633a(19) =7455a(20) =7884a(21) =9243a(22) =10209a(23) =11748a(24) =13968a(25) =15150a(26) =15759a(27) =17013a(28) =17658a(29) =18984