-30229110

Appears in sequences

• Sequence is defined by the condition that Sum_{d|n} a(d)^(n/d) = 1 if n=1, = 0 if n>1.at n=63A260685
• A260685(4n).at n=15A264609
• a(0)=1; thereafter a(n) = -Sum_{i=1..n} a(n-i)^(2^i).at n=6A264610