1972027

Appears in sequences

• a(n) = 5*a(n-1) - a(n-2) with a(0)=1, a(1)=7.at n=9A055271
• a(n) = 5*a(n-3) - a(n-6) with terms 1..6 as 0, 1, 2, 5, 7, 9.at n=28A142879