a(n) = ( (8 + sqrt(6))^n - (8 - sqrt(6))^n )/(2*sqrt(6)).

A154240

a(n) = ( (8 + sqrt(6))^n - (8 - sqrt(6))^n )/(2*sqrt(6)).

Terms

    a(0) =1a(1) =16a(2) =198a(3) =2240a(4) =24356a(5) =259776a(6) =2743768a(7) =28833280a(8) =302193936a(9) =3162772736a(10) =33077115488a(11) =345793029120

External references