a(n) = (n+1)*prime(n) + n*prime(n+1).

Terms

a(0) =7a(1) =19a(2) =41a(3) =79a(4) =131a(5) =193a(6) =269a(7) =355a(8) =491a(9) =629a(10) =779a(11) =973a(12) =1133a(13) =1303a(14) =1547a(15) =1845a(16) =2099a(17) =2365a(18) =2689a(19) =2951a(20) =3265a(21) =3643a(22) =4039a(23) =4553a(24) =5047a(25) =5405a(26) =5773a(27) =6155a(28) =6547a(29) =7313