OFFSET
0,6
COMMENTS
The distribution of zeros is the same as in A276204.
LINKS
Michal Urbanski, Table of n, a(n) for n = 0..49999
EXAMPLE
For n = 5 we have that:
a(5)>0, because a(3)+a(4)=0 and 3,4,5 is an arithmetic progression
a(5)>1, because a(2)+a(3)+a(4)=1 and 2,3,4,5 is an arithmetic progression
there is no such arithmetic progression m_1,m_2,...,m_i,5 that a(m_1)+a(m_2)+...+a(m_i)=2, so a(5) = 2.
CROSSREFS
KEYWORD
nonn
AUTHOR
Michal Urbanski, Aug 24 2016
STATUS
approved