A077557 a(1)=1, a(n+1) > a(n) and differs by at most one digit.

1, 2, 3, 4, 5, 6, 7, 8, 9, 19, 21, 22, 23, 24, 25, 26, 27, 28, 29, 32, 33, 34, 35, 36, 37, 38, 39, 43, 44, 45, 46, 47, 48, 49, 54, 55, 56, 57, 58, 59, 65, 66, 67, 68, 69, 76, 77, 78, 79, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 199, 219, 221, 222, 223, 224, 225, 226

Offset

0,2

Links

Table of n, a(n) for n=0..69.

Example

54 follows 49, 219 follows 199.

Crossrefs

Sequence in context: A284030 A087121 A087052 * A332261 A075517 A248013

Adjacent sequences: A077554 A077555 A077556 * A077558 A077559 A077560

Keyword

base,easy,nonn

Author

Amarnath Murthy, Nov 10 2002

Extensions

Corrected and extended by Ray Chandler, Aug 19 2003

Status

approved