a(n) is the first semiprime k such that there are as many semiprimes as possible in the n numbers starting at k.

A368683

a(n) is the first semiprime k such that there are as many semiprimes as possible in the n numbers starting at k.

Terms

    a(0) =4a(1) =9a(2) =33a(3) =33a(4) =91a(5) =118a(6) =213a(7) =213a(8) =213a(9) =213a(10) =143095a(11) =143095a(12) =10496839a(13) =237520705a(14) =10630829a(15) =7225144283a(16) =54712989442a(17) =54712989442

External references