Difference between the number of semiprimes less than 10^n and the number of primes less than 10^n.

A194895

Difference between the number of semiprimes less than 10^n and the number of primes less than 10^n.

Terms

    a(0) =0a(1) =-1a(2) =9a(3) =131a(4) =1396a(5) =13786a(6) =131537a(7) =1239745a(8) =11665803a(9) =109941002a(10) =1038723932a(11) =9841935529a(12) =93518105160a(13) =891022511814

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