OFFSET
1,1
COMMENTS
First member of A086486 with n distinct prime factors. A001221(a(n)) = n; A008472(a(n)) divides a(n). - David Wasserman, Mar 09 2005
EXAMPLE
a(3) = 30. The prime divisors of 30 are 2,3 and 5 and 2+3+5 = 10, divides 30.
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Jul 28 2003
EXTENSIONS
More terms from David Wasserman, Mar 09 2005
STATUS
approved