6717831124

Appears in sequences

• a(0)=1, a(1)=1, a(2)=1, a(n) = 2*a(n-1) + a(n-2) + 1.at n=27A033539
• a(n) = 6*a(n-1) - a(n-2) + 2, with a(0)=1, a(1)=4.at n=13A072221
• a(0)=4, a(1)=148, a(2)=5044; a(n) = 35*(a(n-1)-a(n-2))+a(n-3).at n=6A350985