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

Terms

a(0) =11a(1) =23a(2) =47a(3) =95a(4) =167a(5) =251a(6) =359a(7) =479a(8) =719a(9) =959a(10) =1215a(11) =1595a(12) =1847a(13) =2111a(14) =2591a(15) =3239a(16) =3719a(17) =4215a(18) =4895a(19) =5327a(20) =5919a(21) =6719a(22) =7559a(23) =8819a(24) =9995a(25) =10607a(26) =11231a(27) =11879a(28) =12539a(29) =14591