Primes p such that p+2, (p+1)||p and (p+1)||(p+2) are primes (where || denotes concatenation in base 10).

A309934

Primes p such that p+2, (p+1)||p and (p+1)||(p+2) are primes (where || denotes concatenation in base 10).

Terms

    a(0) =41a(1) =101a(2) =107a(3) =179a(4) =191a(5) =269a(6) =311a(7) =419a(8) =521a(9) =659a(10) =821a(11) =881a(12) =1229a(13) =1481a(14) =4241a(15) =4787a(16) =8819a(17) =10331a(18) =11549a(19) =13691a(20) =14549a(21) =14561a(22) =14867a(23) =15731a(24) =17909a(25) =18521a(26) =20549a(27) =21647a(28) =22619a(29) =23669

External references