OFFSET
1,2
LINKS
Robert Israel, Table of n, a(n) for n = 1..10000
FORMULA
a(n) = n - (n mod A001222(n)), n >= 1. - R. J. Mathar, Jul 08 2011
MAPLE
A161658 := proc(n) if n = 1 then 0; else e := numtheory[bigomega](n) ; n - (n mod e) ; end if; end proc: # R. J. Mathar, Jul 08 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
Leroy Quet, Jun 15 2009
STATUS
approved