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