OFFSET
1,1
EXAMPLE
59 is a member as 60 = 3*4*5, 89 is a member as 90 = 9*10.
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy and Meenakshi Srikanth ((menakan_sAT)yahoo.com), Jun 11 2003
EXTENSIONS
More terms from David Wasserman, Jan 03 2005
STATUS
approved