a(n) = 14*a(n-1) - a(n-2) with a(0) = 0, a(1) = 2.

A011944

a(n) = 14*a(n-1) - a(n-2) with a(0) = 0, a(1) = 2.

Terms

    a(0) =0a(1) =2a(2) =28a(3) =390a(4) =5432a(5) =75658a(6) =1053780a(7) =14677262a(8) =204427888a(9) =2847313170a(10) =39657956492a(11) =552364077718

External references