Numbers n such that prime(k)*n+prime(k+1), for k=1,...,7 all are primes.

Terms

a(0) =3494a(1) =60674a(2) =75494a(3) =1122584a(4) =2136044a(5) =2473934a(6) =3367244a(7) =5600384a(8) =6629804a(9) =6910784a(10) =7554644a(11) =8572904a(12) =10079144a(13) =11848094a(14) =11892164a(15) =12043214a(16) =12167594a(17) =12269234a(18) =12507284a(19) =12700154a(20) =13459664a(21) =13924544a(22) =14495354a(23) =15005954a(24) =16890914a(25) =17827094a(26) =20642984a(27) =25796054