A098753 a(n+1) = least positive integer not already used that begins with the last two digits of a(n).

10, 1010, 1011, 11, 110, 1012, 12, 120, 20, 2010, 1013, 13, 130, 30, 3010, 1014, 14, 140, 40, 4010, 1015, 15, 150, 50, 5010, 1016, 16, 160, 60, 6010, 1017, 17, 170, 70, 7010, 1018, 18, 180, 80, 8010, 1019, 19, 190, 90, 9010, 1020, 2011, 111, 112, 121, 21

Offset

1,1

Comments

The 2nd to last digit of a(n) is not allowed to be 0. - Sam Alexander, Jan 04 2005

Links

Table of n, a(n) for n=1..51.

Crossrefs

Sequence in context: A015482 A288582 A104486 * A276758 A066489 A063171

Adjacent sequences: A098750 A098751 A098752 * A098754 A098755 A098756

Keyword

base,easy,nonn

Author

Eric Angelini, Oct 01 2004

Extensions

More terms from Sam Alexander, Jan 04 2005

Corrected and extended by David Wasserman, Feb 26 2008

Status

approved