OFFSET
10,1
COMMENTS
The sequence is finite as 10 <= A073729(n) <= 99 for all n; a(n) = (if n mod 11 > 0 then n else n mod 10) for 10<=n<=99: the range is {n | 1<=n<=99}.
FORMULA
a(n) = n mod 10 + signum(n mod 11) * (n - n mod 10) for 10<=n<=99.
CROSSREFS
KEYWORD
nonn,base,fini,full
AUTHOR
Reinhard Zumkeller, Aug 05 2002
STATUS
approved