Initial members of prime quadruples (n, n+2, n+54, n+56).

Terms

a(0) =5a(1) =17a(2) =137a(3) =227a(4) =827a(5) =1427a(6) =1667a(7) =1877a(8) =2027a(9) =2087a(10) =2657a(11) =3527a(12) =3767a(13) =4217a(14) =4967a(15) =10037a(16) =11117a(17) =11777a(18) =12107a(19) =13877a(20) =17987a(21) =19697a(22) =20717a(23) =21557a(24) =22037a(25) =23687a(26) =24977a(27) =27527a(28) =27737a(29) =34157