Semiprimes p such that next semiprime after p is p+30.

Terms

a(0) =32777a(1) =88649a(2) =91799a(3) =113107a(4) =165697a(5) =273257a(6) =310103a(7) =322211a(8) =326137a(9) =460963a(10) =466063a(11) =468877a(12) =480443a(13) =483223a(14) =506509a(15) =509131a(16) =553349a(17) =564347a(18) =565493a(19) =587611a(20) =616771a(21) =623257a(22) =624959a(23) =625619a(24) =739177a(25) =766799a(26) =777163a(27) =826657a(28) =832357a(29) =834123