Primes p such that p+2 and q are primes, where q is concatenation of binary representations of p and p+2: q = p * 2^L + p+2, where L is the length of binary representation of p+2: L=A070939(p+2).

A232238

Primes p such that p+2 and q are primes, where q is concatenation of binary representations of p and p+2: q = p * 2^L + p+2, where L is the length of binary representation of p+2: L=A070939(p+2).

Terms

    a(0) =3a(1) =5a(2) =17a(3) =71a(4) =269a(5) =1049a(6) =1151a(7) =1721a(8) =5099a(9) =5279a(10) =5657a(11) =6299a(12) =6569a(13) =6779a(14) =7307a(15) =7589a(16) =16451a(17) =16649a(18) =16691a(19) =19079a(20) =19139a(21) =19211a(22) =19841a(23) =19961a(24) =20771a(25) =20981a(26) =21011a(27) =21059a(28) =21599a(29) =22619

External references