A161760 Composites with consecutive (ascending) digits.

4, 6, 8, 9, 12, 34, 45, 56, 78, 90, 123, 234, 345, 456, 567, 678, 789, 890, 901, 1234, 2345, 3456, 5678, 6789, 7890, 8901, 9012, 12345, 23456, 34567, 45678, 56789, 67890, 89012, 90123