Integers n such that 6n -/+ 1 and 30n -/+ 1 are all primes.

Terms

a(0) =1a(1) =2a(2) =5a(3) =77a(4) =100a(5) =110a(6) =135a(7) =170a(8) =215a(9) =338a(10) =357a(11) =385a(12) =390a(13) =467a(14) =555a(15) =593a(16) =597a(17) =688a(18) =737a(19) =758a(20) =980a(21) =1127a(22) =1682a(23) =1743a(24) =1785a(25) =2305a(26) =2555a(27) =3152a(28) =3372a(29) =3640