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
Offset: 1
Links
- R. J. Mathar, Table of n, a(n) for n = 1..200