OFFSET
0,2
COMMENTS
FORMULA
EXAMPLE
a(10) = 10234567889 because 10234567889 and 10234567890 have all 10 decimal digits in common and this property does not hold for any smaller positive integer.
CROSSREFS
KEYWORD
base,easy,fini,full,nonn
AUTHOR
Rick L. Shepherd, Aug 27 2009
STATUS
approved