The number of decades below 10^n whose semiprime pattern is the same as semiprime pattern in the previous decade.

A220343

The number of decades below 10^n whose semiprime pattern is the same as semiprime pattern in the previous decade.

Terms

    a(0) =0a(1) =0a(2) =7a(3) =114a(4) =1794a(5) =24605

External references