Smallest semiprime ending in exactly n 5's.

A106659

Smallest semiprime ending in exactly n 5's.

Terms

    a(0) =15a(1) =55a(2) =1555a(3) =125555a(4) =655555a(5) =1555555a(6) =145555555a(7) =355555555a(8) =8555555555a(9) =85555555555a(10) =155555555555

External references