Primes p such that there exist primes p'<p"<p"'<p""<p such that the concatenation of any two among the {p,...,p""} is prime.

A139005

Primes p such that there exist primes p'<p"<p"'<p""<p such that the concatenation of any two among the {p,...,p""} is prime.

Terms

    a(0) =8389a(1) =18433a(2) =25253a(3) =31231a(4) =33647a(5) =40289a(6) =40357a(7) =47237a(8) =47303a(9) =48731a(10) =51721a(11) =55621a(12) =57331a(13) =58763a(14) =61129a(15) =62303a(16) =63601a(17) =64189a(18) =65657a(19) =65677a(20) =65983a(21) =67723a(22) =68491a(23) =70099a(24) =70571a(25) =71341a(26) =71741a(27) =72739a(28) =75653a(29) =77153

External references