Smallest number k such that k, k+2, k+4, ..., k+2n are semiprimes.
A092209
Smallest number k such that k, k+2, k+4, ..., k+2n are semiprimes.
Terms
- a(0) =4a(1) =4a(2) =91a(3) =213a(4) =213a(5) =1383a(6) =3091a(7) =8129
External references
- oeis: A092209