313496

Appears in sequences

• a(n) = 4*a(n-1) - a(n-2) with a(0)=1, a(1)=8.at n=9A055845
• Number of distinct solutions of Sum_{i=1..3}(x(2i-1)*x(2i)) = 0 (mod n), with x() in 0..n-1.at n=25A180795