Smallest prime such that, in binary, prefixing and suffixing n-bit numbers, the latter permitted to include leading 0's, does not produce a prime.

A247699

Smallest prime such that, in binary, prefixing and suffixing n-bit numbers, the latter permitted to include leading 0's, does not produce a prime.

Terms

    a(0) =3a(1) =5a(2) =523a(3) =47543a(4) =1951071427

External references