The least increasing sequence of numbers where all pairwise sums are semiprimes, with a(1)=4.
A305887
The least increasing sequence of numbers where all pairwise sums are semiprimes, with a(1)=4.
Terms
- a(0) =4a(1) =5a(2) =10a(3) =29a(4) =173a(5) =249a(6) =19073a(7) =71489a(8) =1166789a(9) =3800333a(10) =7021253a(11) =15920129a(12) =84551600693a(13) =224223772673
External references
- oeis: A305887