a(n) = 6*a(n-1) + a(n-2), starting with a(0)=2 and a(1)=6.

A085447

a(n) = 6*a(n-1) + a(n-2), starting with a(0)=2 and a(1)=6.

Terms

    a(0) =2a(1) =6a(2) =38a(3) =234a(4) =1442a(5) =8886a(6) =54758a(7) =337434a(8) =2079362a(9) =12813606a(10) =78960998a(11) =486579594a(12) =2998438562a(13) =18477210966a(14) =113861704358a(15) =701647437114

External references