OFFSET
1,5
COMMENTS
a(n) = 0 iff A084143(n) = 0.
EXAMPLE
n = 72 = 5+7+11+13+17+19 = 13+17+19+23, as 5<13: a(72) = 5.
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Aug 08 2003
STATUS
approved