OFFSET
1,2
FORMULA
Let c = A076116(n); if c > 0, then a(n) = n*(2c + n - 1)/2. If c = 0 then a(n) = 0. - David Wasserman, Apr 02 2005
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Oct 09 2002
EXTENSIONS
More terms from David Wasserman, Apr 02 2005
STATUS
approved