Primes p such that p+2, p+4, p+6, p+8, p+10, p+12 and p+14 are all semiprime.

Terms

a(0) =3089a(1) =182747a(2) =209477a(3) =239087a(4) =313409a(5) =1619507a(6) =2425799a(7) =4113353a(8) =4705049a(9) =6058379a(10) =6870089a(11) =10395083a(12) =10716077a(13) =12818297a(14) =14678057a(15) =16173929a(16) =16369337a(17) =17694587a(18) =28526699a(19) =30318437a(20) =31361699a(21) =31772207a(22) =32025107a(23) =34132349a(24) =37031609a(25) =38112797a(26) =48926477