Composite numbers whose product of digits is 5.

Terms

a(0) =15a(1) =51a(2) =115a(3) =511a(4) =1115a(5) =5111a(6) =11115a(7) =11151a(8) =11511a(9) =15111a(10) =51111a(11) =111115a(12) =111151a(13) =111511a(14) =115111a(15) =151111a(16) =1111115a(17) =1111511a(18) =1115111a(19) =1151111a(20) =1511111a(21) =5111111a(22) =11111115a(23) =11111151a(24) =11111511a(25) =11115111a(26) =11151111a(27) =11511111a(28) =15111111a(29) =51111111