a(n) is the largest prime before A002276(n).

A099663

a(n) is the largest prime before A002276(n).

Terms

    a(0) =19a(1) =211a(2) =2221a(3) =22193a(4) =222199a(5) =2222219a(6) =22222199a(7) =222222193a(8) =2222222137a(9) =22222222189a(10) =222222222169

External references