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A098753
a(n+1) = least positive integer not already used that begins with the last two digits of a(n).
0
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
CROSSREFS
Sequence in context: A015482 A288582 A104486 * A276758 A066489 A063171
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