Largest prime < 10*a(n-1), a(1)=23.

A124336

Largest prime < 10*a(n-1), a(1)=23.

Terms

    a(0) =23a(1) =229a(2) =2287a(3) =22861a(4) =228601a(5) =2285981a(6) =22859783a(7) =228597829a(8) =2285978263a(9) =22859782619a(10) =228597826159

External references