Primes p with property that 6p+1 is prime and uses only digits 2 and 3.

A153168

Primes p with property that 6p+1 is prime and uses only digits 2 and 3.

Terms

    a(0) =37a(1) =5387a(2) =537037a(3) =37220537a(4) =38870537a(5) =3703870537a(6) =5555555387a(7) =55538720387a(8) =370553872037a(9) =370555370387a(10) =372203887037a(11) =387037038887a(12) =387203705387a(13) =388887053887a(14) =537203703887a(15) =538705553887a(16) =538722205537a(17) =538870538887a(18) =553703722037a(19) =553720538887

External references